czml tests failing locally because of non-UTC timezones

[astrojuanlu]

🐞 Problem

This is what happens in UTC+01:

$ pytest -vv --lf 
========================================================= test session starts ==========================================================
platform linux -- Python 3.7.4, pytest-5.1.0, py-1.8.0, pluggy-0.12.0 -- /home/juanlu/.pyenv/versions/3.7.4/envs/poliastro37_4/bin/python3.7
cachedir: .pytest_cache
Matplotlib: 3.1.3
Freetype: 2.6.1
rootdir: /home/juanlu/Personal/poliastro/poliastro, inifile: setup.cfg
plugins: cov-2.5.1, mypy-0.4.2, doctestplus-0.5.0, remotedata-0.3.2, mpl-0.10
collected 930 items / 928 deselected / 2 selected                                                                                      
run-last-failure: rerun previous 2 failures

src/poliastro/tests/test_czml.py::test_czml_groundtrack FAILED                                                                   [ 50%]
src/poliastro/tests/test_czml.py::test_czml_ground_station FAILED                                                                [100%]

=============================================================== FAILURES ===============================================================
________________________________________________________ test_czml_groundtrack _________________________________________________________

    @pytest.mark.skipif("czml3" not in sys.modules, reason="requires czml3")
    def test_czml_groundtrack():
    
        start_epoch = molniya.epoch
        end_epoch = molniya.epoch + molniya.period
    
        sample_points = 10
    
        expected_doc = """[{
        "id": "document",
        "version": "1.0",
        "name": "document_packet",
        "clock": {
            "interval": "2000-01-01T12:00:00Z/2000-01-01T23:59:35Z",
            "currentTime": "2000-01-01T12:00:00Z",
            "multiplier": 60,
            "range": "LOOP_STOP",
            "step": "SYSTEM_CLOCK_MULTIPLIER"
        }
    }, {
        "id": "custom_properties",
        "properties": {
            "custom_attractor": true,
            "ellipsoid": [
                {
                    "array": [
                        6378136.6,
                        6378136.6,
                        6356751.9
                    ]
                }
            ],
            "map_url": [
                "https://upload.wikimedia.org/wikipedia/commons/c/c4/Earthmap1000x500compac.jpg"
            ],
            "scene3D": true
        }
    }, {
        "id": 0,
        "availability": "2000-01-01T12:00:00Z/2000-01-01T23:59:35Z",
        "position": {
            "epoch": "2000-01-01T12:00:00Z",
            "interpolationAlgorithm": "LAGRANGE",
            "interpolationDegree": 5,
            "referenceFrame": "INERTIAL",
            "cartesian": [
                0.0,
                10140093.6393,
                -800580.7546,
                -1598722.8246,
                4317.5108,
                17593269.6479,
                8807305.9945,
                17587783.6632,
                8635.0217,
                15276972.8693,
                14840949.3322,
                29636690.9896,
                12952.5325,
                10390291.9946,
                18544487.5609,
                37032485.9349,
                17270.0433,
                4459288.7909,
                20454288.4376,
                40846270.159,
                21587.5541,
                -1827745.3661,
                20778744.495,
                41494193.9337,
                25905.065,
                -7974181.1167,
                19549661.224,
                39039771.3569,
                30222.5758,
                -13412369.429,
                16641263.6853,
                33231835.6785,
                34540.0866,
                -17116767.3657,
                11688710.5829,
                23341815.6655,
                38857.5975,
                -15852598.671,
                3766095.5927,
                7520719.1144,
                43175.1083,
                10140093.6393,
                -800580.7546,
                -1598722.8246,
                47492.6191,
                17593269.6479,
                8807305.9945,
                17587783.6632
            ]
        },
        "billboard": {
            "image": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADJSURBVDhPnZHRDcMgEEMZjVEYpaNklIzSEfLfD4qNnXAJSFWfhO7w2Zc0Tf9QG2rXrEzSUeZLOGm47WoH95x3Hl3jEgilvDgsOQUTqsNl68ezEwn1vae6lceSEEYvvWNT/Rxc4CXQNGadho1NXoJ+9iaqc2xi2xbt23PJCDIB6TQjOC6Bho/sDy3fBQT8PrVhibU7yBFcEPaRxOoeTwbwByCOYf9VGp1BYI1BA+EeHhmfzKbBoJEQwn1yzUZtyspIQUha85MpkNIXB7GizqDEECsAAAAASUVORK5CYII=",
            "show": true
        },
        "label": {
            "text": "Molniya",
            "font": "11pt Lucida Console",
            "style": "FILL",
            "fillColor": {
                "rgba": [
                    125,
                    80,
                    120,
                    255
                ]
            },
            "outlineColor": {
                "rgba": [
                    255,
                    255,
                    0,
                    255
                ]
            },
            "outlineWidth": 1.0
        },
        "path": {
            "resolution": 120,
            "material": {
                "solidColor": {
                    "color": {
                        "rgba": [
                            255,
                            255,
                            0,
                            255
                        ]
                    }
                }
            }
        }
    }, {
        "id": "groundtrack0",
        "availability": "2000-01-01T12:00:00Z/2000-01-01T23:59:35Z",
        "position": {
            "epoch": "2000-01-01T12:00:00Z",
            "interpolationAlgorithm": "LAGRANGE",
            "interpolationDegree": 5,
            "referenceFrame": "INERTIAL",
            "cartesian": [
                0.0,
                6280728.255788034,
                -495875.99989224557,
                -990241.5895687921,
                4317.5108,
                4245756.819479091,
                2125453.716924488,
                4244432.895224581,
                8635.0217,
                2663915.8656318397,
                2587884.4433988784,
                5167885.717379646,
                12952.5325,
                1548100.5195240811,
                2763033.9962378335,
                5517651.292250773,
                17270.0433,
                618022.3343837302,
                2834803.0552899935,
                5660970.791429868,
                21587.5541,
                -250341.43583128517,
                2846010.7675710567,
                5683352.0756686535,
                25905.065,
                -1142958.8118256037,
                2802100.92918071,
                5595666.1546065565,
                30222.5758,
                -2159933.044540537,
                2679915.6206089617,
                5351667.73157586,
                34540.0866,
                -3490752.3604656975,
                2383767.686202804,
                4760273.972119002,
                38857.5975,
                -5630876.894771479,
                1337725.3192625502,
                2671375.634339552,
                43175.1083,
                6280728.255788034,
                -495875.99989224557,
                -990241.5895687921,
                47492.6191,
                4245756.819479091,
                2125453.716924488,
                4244432.895224581
            ]
        },
        "path": {
            "show": true,
            "leadTime": 100,
            "trailTime": 100,
            "resolution": 60,
            "material": {
                "solidColor": {
                    "color": {
                        "rgba": [
                            255,
                            255,
                            0,
                            255
                        ]
                    }
                }
            }
        }
    }]"""
        extractor = CZMLExtractor(start_epoch, end_epoch, sample_points)
    
        extractor.add_orbit(
            molniya,
            rtol=1e-4,
            label_text="Molniya",
            groundtrack_show=True,
            label_fill_color=[125, 80, 120, 255],
        )
    
>       assert repr(extractor.packets) == expected_doc
E       assert '[{\n    "id"... }\n    }\n}]' == '[{\n    "id"... }\n    }\n}]'
E           [{
E               "id": "document",
E               "version": "1.0",
E               "name": "document_packet",
E               "clock": {
E                   "interval": "2000-01-01T12:00:00Z/2000-01-01T23:59:35Z",
E         -         "currentTime": "2000-01-01T11:00:00Z",
E         ?                                     ^
E         +         "currentTime": "2000-01-01T12:00:00Z",
E         ?                                     ^
E                   "multiplier": 60,
E                   "range": "LOOP_STOP",
E                   "step": "SYSTEM_CLOCK_MULTIPLIER"
E               }
E           }, {
E               "id": "custom_properties",
E               "properties": {
E                   "custom_attractor": true,
E                   "ellipsoid": [
E                       {
E                           "array": [
E                               6378136.6,
E                               6378136.6,
E                               6356751.9
E                           ]
E                       }
E                   ],
E                   "map_url": [
E                       "https://upload.wikimedia.org/wikipedia/commons/c/c4/Earthmap1000x500compac.jpg"
E                   ],
E                   "scene3D": true
E               }
E           }, {
E               "id": 0,
E               "availability": "2000-01-01T12:00:00Z/2000-01-01T23:59:35Z",
E               "position": {
E         -         "epoch": "2000-01-01T11:00:00Z",
E         ?                               ^
E         +         "epoch": "2000-01-01T12:00:00Z",
E         ?                               ^
E                   "interpolationAlgorithm": "LAGRANGE",
E                   "interpolationDegree": 5,
E                   "referenceFrame": "INERTIAL",
E                   "cartesian": [
E                       0.0,
E                       10140093.6393,
E                       -800580.7546,
E                       -1598722.8246,
E                       4317.5108,
E                       17593269.6479,
E                       8807305.9945,
E                       17587783.6632,
E                       8635.0217,
E                       15276972.8693,
E                       14840949.3322,
E                       29636690.9896,
E                       12952.5325,
E                       10390291.9946,
E                       18544487.5609,
E                       37032485.9349,
E                       17270.0433,
E                       4459288.7909,
E                       20454288.4376,
E                       40846270.159,
E                       21587.5541,
E                       -1827745.3661,
E                       20778744.495,
E                       41494193.9337,
E                       25905.065,
E                       -7974181.1167,
E                       19549661.224,
E                       39039771.3569,
E                       30222.5758,
E                       -13412369.429,
E                       16641263.6853,
E                       33231835.6785,
E                       34540.0866,
E                       -17116767.3657,
E                       11688710.5829,
E                       23341815.6655,
E                       38857.5975,
E                       -15852598.671,
E                       3766095.5927,
E                       7520719.1144,
E                       43175.1083,
E                       10140093.6393,
E                       -800580.7546,
E                       -1598722.8246,
E                       47492.6191,
E                       17593269.6479,
E                       8807305.9945,
E                       17587783.6632
E                   ]
E               },
E               "billboard": {
E                   "image": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAADJSURBVDhPnZHRDcMgEEMZjVEYpaNklIzSEfLfD4qNnXAJSFWfhO7w2Zc0Tf9QG2rXrEzSUeZLOGm47WoH95x3Hl3jEgilvDgsOQUTqsNl68ezEwn1vae6lceSEEYvvWNT/Rxc4CXQNGadho1NXoJ+9iaqc2xi2xbt23PJCDIB6TQjOC6Bho/sDy3fBQT8PrVhibU7yBFcEPaRxOoeTwbwByCOYf9VGp1BYI1BA+EeHhmfzKbBoJEQwn1yzUZtyspIQUha85MpkNIXB7GizqDEECsAAAAASUVORK5CYII=",
E                   "show": true
E               },
E               "label": {
E                   "text": "Molniya",
E                   "font": "11pt Lucida Console",
E                   "style": "FILL",
E                   "fillColor": {
E                       "rgba": [
E                           125,
E                           80,
E                           120,
E                           255
E                       ]
E                   },
E                   "outlineColor": {
E                       "rgba": [
E                           255,
E                           255,
E                           0,
E                           255
E                       ]
E                   },
E                   "outlineWidth": 1.0
E               },
E               "path": {
E                   "resolution": 120,
E                   "material": {
E                       "solidColor": {
E                           "color": {
E                               "rgba": [
E                                   255,
E                                   255,
E                                   0,
E                                   255
E                               ]
E                           }
E                       }
E                   }
E               }
E           }, {
E               "id": "groundtrack0",
E               "availability": "2000-01-01T12:00:00Z/2000-01-01T23:59:35Z",
E               "position": {
E         -         "epoch": "2000-01-01T11:00:00Z",
E         ?                               ^
E         +         "epoch": "2000-01-01T12:00:00Z",
E         ?                               ^
E                   "interpolationAlgorithm": "LAGRANGE",
E                   "interpolationDegree": 5,
E                   "referenceFrame": "INERTIAL",
E                   "cartesian": [
E                       0.0,
E                       6280728.255788034,
E                       -495875.99989224557,
E                       -990241.5895687921,
E                       4317.5108,
E                       4245756.819479091,
E                       2125453.716924488,
E                       4244432.895224581,
E                       8635.0217,
E                       2663915.8656318397,
E                       2587884.4433988784,
E                       5167885.717379646,
E                       12952.5325,
E                       1548100.5195240811,
E                       2763033.9962378335,
E                       5517651.292250773,
E                       17270.0433,
E                       618022.3343837302,
E                       2834803.0552899935,
E                       5660970.791429868,
E                       21587.5541,
E                       -250341.43583128517,
E                       2846010.7675710567,
E                       5683352.0756686535,
E                       25905.065,
E                       -1142958.8118256037,
E                       2802100.92918071,
E                       5595666.1546065565,
E                       30222.5758,
E                       -2159933.044540537,
E                       2679915.6206089617,
E                       5351667.73157586,
E                       34540.0866,
E                       -3490752.3604656975,
E                       2383767.686202804,
E                       4760273.972119002,
E                       38857.5975,
E                       -5630876.894771479,
E                       1337725.3192625502,
E                       2671375.634339552,
E                       43175.1083,
E                       6280728.255788034,
E                       -495875.99989224557,
E                       -990241.5895687921,
E                       47492.6191,
E                       4245756.819479091,
E                       2125453.716924488,
E                       4244432.895224581
E                   ]
E               },
E               "path": {
E                   "show": true,
E                   "leadTime": 100,
E                   "trailTime": 100,
E                   "resolution": 60,
E                   "material": {
E                       "solidColor": {
E                           "color": {
E                               "rgba": [
E                                   255,
E                                   255,
E                                   0,
E                                   255
E                               ]
E                           }
E                       }
E                   }
E               }
E           }]

src/poliastro/tests/test_czml.py:534: AssertionError
_______________________________________________________ test_czml_ground_station _______________________________________________________

    @pytest.mark.skipif("czml3" not in sys.modules, reason="requires czml3")
    def test_czml_ground_station():
        start_epoch = iss.epoch
        end_epoch = iss.epoch + molniya.period
    
        sample_points = 10
    
        expected_doc = """[{
        "id": "document",
        "version": "1.0",
        "name": "document_packet",
        "clock": {
            "interval": "2013-03-18T12:00:00Z/2013-03-18T23:59:35Z",
            "currentTime": "2013-03-18T12:00:00Z",
            "multiplier": 60,
            "range": "LOOP_STOP",
            "step": "SYSTEM_CLOCK_MULTIPLIER"
        }
    }, {
        "id": "custom_properties",
        "properties": {
            "custom_attractor": true,
            "ellipsoid": [
                {
                    "array": [
                        6378136.6,
                        6378136.6,
                        6356751.9
                    ]
                }
            ],
            "map_url": [
                "https://upload.wikimedia.org/wikipedia/commons/c/c4/Earthmap1000x500compac.jpg"
            ],
            "scene3D": true
        }
    }, {
        "id": "GS0",
        "availability": "2013-03-18T12:00:00Z/2013-03-18T23:59:35Z",
        "position": {
            "cartesian": [
                2536956.480228706,
                4771321.193798005,
                3399460.9756358126
            ]
        },
        "billboard": {
            "image": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACvSURBVDhPrZDRDcMgDAU9GqN0lIzijw6SUbJJygUeNQgSqepJTyHG91LVVpwDdfxM3T9TSl1EXZvDwii471fivK73cBFFQNTT/d2KoGpfGOpSIkhUpgUMxq9DFEsWv4IXhlyCnhBFnZcFEEuYqbiUlNwWgMTdrZ3JbQFoEVG53rd8ztG9aPJMnBUQf/VFraBJeWnLS0RfjbKyLJA8FkT5seDYS1Qwyv8t0B/5C2ZmH2/eTGNNBgMmAAAAAElFTkSuQmCC",
            "show": true
        },
        "label": {
            "show": true,
            "text": "GS test",
            "font": "11pt Lucida Console",
            "style": "FILL",
            "fillColor": {
                "rgba": [
                    120,
                    120,
                    120,
                    255
                ]
            },
            "outlineWidth": 1.0
        }
    }, {
        "id": "GS1",
        "availability": "2013-03-18T12:00:00Z/2013-03-18T23:59:35Z",
        "position": {
            "cartesian": [
                4450567.472491674,
                1884083.4338554223,
                4176129.2748575546
            ]
        },
        "billboard": {
            "image": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACvSURBVDhPrZDRDcMgDAU9GqN0lIzijw6SUbJJygUeNQgSqepJTyHG91LVVpwDdfxM3T9TSl1EXZvDwii471fivK73cBFFQNTT/d2KoGpfGOpSIkhUpgUMxq9DFEsWv4IXhlyCnhBFnZcFEEuYqbiUlNwWgMTdrZ3JbQFoEVG53rd8ztG9aPJMnBUQf/VFraBJeWnLS0RfjbKyLJA8FkT5seDYS1Qwyv8t0B/5C2ZmH2/eTGNNBgMmAAAAAElFTkSuQmCC",
            "show": true
        },
        "label": {
            "show": false,
            "font": "11pt Lucida Console",
            "style": "FILL",
            "outlineWidth": 1.0
        }
    }]"""
        extractor = CZMLExtractor(start_epoch, end_epoch, sample_points)
    
        extractor.add_ground_station(
            [32 * u.degree, 62 * u.degree],
            label_fill_color=[120, 120, 120, 255],
            label_text="GS test",
        )
    
        extractor.add_ground_station([0.70930 * u.rad, 0.40046 * u.rad], label_show=False)
>       assert repr(extractor.packets) == expected_doc
E       assert '[{\n    "id"....0\n    }\n}]' == '[{\n    "id"....0\n    }\n}]'
E           [{
E               "id": "document",
E               "version": "1.0",
E               "name": "document_packet",
E               "clock": {
E                   "interval": "2013-03-18T12:00:00Z/2013-03-18T23:59:35Z",
E         -         "currentTime": "2013-03-18T11:00:00Z",
E         ?                                     ^
E         +         "currentTime": "2013-03-18T12:00:00Z",
E         ?                                     ^
E                   "multiplier": 60,
E                   "range": "LOOP_STOP",
E                   "step": "SYSTEM_CLOCK_MULTIPLIER"
E               }
E           }, {
E               "id": "custom_properties",
E               "properties": {
E                   "custom_attractor": true,
E                   "ellipsoid": [
E                       {
E                           "array": [
E                               6378136.6,
E                               6378136.6,
E                               6356751.9
E                           ]
E                       }
E                   ],
E                   "map_url": [
E                       "https://upload.wikimedia.org/wikipedia/commons/c/c4/Earthmap1000x500compac.jpg"
E                   ],
E                   "scene3D": true
E               }
E           }, {
E               "id": "GS0",
E               "availability": "2013-03-18T12:00:00Z/2013-03-18T23:59:35Z",
E               "position": {
E                   "cartesian": [
E                       2536956.480228706,
E                       4771321.193798005,
E                       3399460.9756358126
E                   ]
E               },
E               "billboard": {
E                   "image": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACvSURBVDhPrZDRDcMgDAU9GqN0lIzijw6SUbJJygUeNQgSqepJTyHG91LVVpwDdfxM3T9TSl1EXZvDwii471fivK73cBFFQNTT/d2KoGpfGOpSIkhUpgUMxq9DFEsWv4IXhlyCnhBFnZcFEEuYqbiUlNwWgMTdrZ3JbQFoEVG53rd8ztG9aPJMnBUQf/VFraBJeWnLS0RfjbKyLJA8FkT5seDYS1Qwyv8t0B/5C2ZmH2/eTGNNBgMmAAAAAElFTkSuQmCC",
E                   "show": true
E               },
E               "label": {
E                   "show": true,
E                   "text": "GS test",
E                   "font": "11pt Lucida Console",
E                   "style": "FILL",
E                   "fillColor": {
E                       "rgba": [
E                           120,
E                           120,
E                           120,
E                           255
E                       ]
E                   },
E                   "outlineWidth": 1.0
E               }
E           }, {
E               "id": "GS1",
E               "availability": "2013-03-18T12:00:00Z/2013-03-18T23:59:35Z",
E               "position": {
E                   "cartesian": [
E                       4450567.472491674,
E                       1884083.4338554223,
E                       4176129.2748575546
E                   ]
E               },
E               "billboard": {
E                   "image": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACvSURBVDhPrZDRDcMgDAU9GqN0lIzijw6SUbJJygUeNQgSqepJTyHG91LVVpwDdfxM3T9TSl1EXZvDwii471fivK73cBFFQNTT/d2KoGpfGOpSIkhUpgUMxq9DFEsWv4IXhlyCnhBFnZcFEEuYqbiUlNwWgMTdrZ3JbQFoEVG53rd8ztG9aPJMnBUQf/VFraBJeWnLS0RfjbKyLJA8FkT5seDYS1Qwyv8t0B/5C2ZmH2/eTGNNBgMmAAAAAElFTkSuQmCC",
E                   "show": true
E               },
E               "label": {
E                   "show": false,
E                   "font": "11pt Lucida Console",
E                   "style": "FILL",
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src/poliastro/tests/test_czml.py:632: AssertionError
=========================================================== warnings summary ===========================================================
/home/juanlu/.pyenv/versions/3.7.4/envs/poliastro37_4/lib/python3.7/site-packages/nbformat/notebooknode.py:4
  /home/juanlu/.pyenv/versions/3.7.4/envs/poliastro37_4/lib/python3.7/site-packages/nbformat/notebooknode.py:4: DeprecationWarning:
  
  Using or importing the ABCs from 'collections' instead of from 'collections.abc' is deprecated, and in 3.8 it will stop working

-- Docs: https://docs.pytest.org/en/latest/warnings.html
============================================ 2 failed, 928 deselected, 1 warnings in 10.44s ============================================

🖥 Please paste the output of following commands

• pip freeze

Details

alabaster==0.7.12
appdirs==1.4.3
asn1crypto==0.24.0
astropy==4.0
astroquery==0.4
atomicwrites==1.3.0
attrs==19.3.0
Babel==2.7.0
backcall==0.1.0
beautifulsoup4==4.8.2
black==19.10b0
bleach==3.1.0
cached-property==1.5.1
certifi==2019.11.28
cffi==1.14.0
chardet==3.0.4
Click==7.0
coverage==4.5.4
cryptography==2.8
cycler==0.10.0
czml3==0.4.0
decorator==4.4.0
defusedxml==0.6.0
docutils==0.15.2
entrypoints==0.3
filelock==3.0.12
flit==2.2.0
flit-core==2.2.0
html5lib==1.0.1
idna==2.9
imagesize==1.1.0
importlib-metadata==1.5.0
ipykernel==5.1.2
ipython==7.7.0
ipython-genutils==0.2.0
ipywidgets==7.5.1
isort==4.3.21
jedi==0.15.1
jeepney==0.4.2
Jinja2==2.10.1
jplephem==2.13
jsonschema==3.0.2
jupyter-client==5.3.4
jupyter-core==4.6.1
jupytext==1.3.1
keyring==21.1.0
kiwisolver==1.1.0
llvmlite==0.31.0
MarkupSafe==1.1.1
matplotlib==3.1.3
mistune==0.8.4
more-itertools==7.2.0
mypy==0.760
mypy-extensions==0.4.3
nbconvert==5.6.0
nbformat==4.4.0
nbsphinx==0.5.0
nose==1.3.7
notebook==6.0.2
numba==0.48.0
numpy==1.18.1
packaging==19.1
pandas==1.0.1
pandocfilters==1.4.2
parso==0.5.1
pathspec==0.6.0
pexpect==4.7.0
pickleshare==0.7.5
pkginfo==1.5.0.1
plotly==4.5.2
pluggy==0.12.0
poliastro==0.14.post0.dev0
prometheus-client==0.7.1
prompt-toolkit==2.0.9
ptyprocess==0.6.0
py==1.8.0
pycodestyle==2.5.0
pycparser==2.19
Pygments==2.4.2
pyparsing==2.4.6
pyrsistent==0.15.4
pytest==5.1.0
pytest-cov==2.5.1
pytest-doctestplus==0.5.0
pytest-mpl==0.10
pytest-mypy==0.4.2
pytest-remotedata==0.3.2
python-dateutil==2.8.1
pytoml==0.1.21
pytz==2019.3
PyYAML==5.2
pyzmq==18.1.0
readme-renderer==24.0
regex==2019.12.19
requests==2.23.0
requests-toolbelt==0.9.1
retrying==1.3.3
scipy==1.4.1
SecretStorage==3.1.2
Send2Trash==1.5.0
six==1.14.0
snowballstemmer==1.9.0
soupsieve==2.0
Sphinx==2.1.2
sphinx-hoverxref==0.1b1
sphinx-notfound-page==0.4
sphinx-rtd-theme==0.4.3+require.redef
sphinxcontrib-applehelp==1.0.1
sphinxcontrib-devhelp==1.0.1
sphinxcontrib-htmlhelp==1.0.2
sphinxcontrib-jsmath==1.0.1
sphinxcontrib-qthelp==1.0.2
sphinxcontrib-serializinghtml==1.1.3
terminado==0.8.3
testpath==0.4.2
toml==0.10.0
tornado==6.0.3
tox==3.14.5
tqdm==4.40.2
traitlets==4.3.2
twine==3.1.1
typed-ast==1.4.0
typing-extensions==3.7.4.1
urllib3==1.25.8
virtualenv==16.7.3
w3lib==1.21.0
wcwidth==0.1.7
webencodings==0.5.1
widgetsnbextension==3.5.1
zipp==3.0.0

💡 Possible solutions

📋 Steps to solve the problem

• Comment below about what you've started working on.
• Add, commit, push your changes
• Submit a pull request and add this in comments - Addresses #<put issue number here>
• Ask for a review in comments section of pull request
• Celebrate your contribution to this project 🎉

[priyanshurohilla]

We just have to paste the output of the command? What exactly we have to do @astrojuanlu

[astrojuanlu]

@priyanshurohilla I bet you are outside of UTC+00 too, right? Therefore, try to run pytest -k czml, observe how they fail, work on a solution, and open a pull request :)

[priyanshurohilla]

Yes I am outside UTC , Ok I would like to work on it!!

[tomaszmrugalski]

Hi there! First of all, thanks a lot for the work on poliastro. It's a great project than I just started to learn.

I'd like to tackle this problem. I've set up the environment and replicated the issue. Two czml unit-tests are failing for me:

FAILED poliastro/tests/test_czml.py::test_czml_groundtrack
FAILED poliastro/tests/test_czml.py::test_czml_ground_station

I'm in CET timezone (UTC+1), so it fails with an hour difference, exactly the same as reported:

E         -         "currentTime": "2013-03-18T12:00:00Z",
E         ?                                     ^
E         +         "currentTime": "2013-03-18T11:00:00Z",
E         ?                                     ^

I think the fix should update CZMLExtractor class to always use UTC, rather than local timezone. Still learning about CZML syntax and CZMLExtractor. It looks like the problem is with the initial packet, so the fix will be done most likely in init_czml. Hopefully, I won't need to touch the undelying czml3 package. However, one thing is puzzling. I need to also look at why exactly this timezone problem manifests itself in those two tests, but the other 3 czml tests are working fine. Perhaps I'll write a new test that's trimmed down version of the existing one?

Hey @astrojuanlu! Is this the right direction?

Also, is it OK to add comments to the tests in the same MR?

[astrojuanlu]

Hey @tomaszmrugalski, looks like you're on the right direction! Yeah please, new comments and tests are always welcome :)

[astrojuanlu]

Also, this library might be helpful https://pypi.org/project/freezegun/

[tomaszmrugalski]

I now know why test_czml_add_orbit was "passing". There was an assert missing in line 306. Now it started failing, too. :)

Thanks a lot for the tip. Still learning python basics. freezegun looks much more convenient than changing time and timezones of the whole system.

[astrojuanlu]

I confirm that #872 fixed this. Closing!