Remove/add testing for python 3.6/3.9, update CI pinnings (#257)

* Remove unchanged dev environment

* Bump CI / docs to support python 3.9

* Make latest environment a symbolic link

* Leave 3.9 environment pinned for now

* Use mamba solver to parse through conflicts easier

* Unpin some 3.9 dependencies

* Unpin more 3.9 dependencies

* Unpin all 3.9 dependencies

* Pin 3.9 testing dependencies

* Temporarily unpin 3.7 / 3.8 deps

* Update 3.7 / 3.8 dep pinnings

* Pin dask to 2.8.1 for 3.7/3.8, check for pinning changes

* Repin 3.7/3.8 deps

.github/PULL_REQUEST_TEMPLATE.md

@@ -4,4 +4,4 @@ Before you submit a pull request, check that it meets these guidelines:
 2. If the pull request adds functionality, the docs should be updated. Put
    your new functionality into a function with a docstring, and add the
    feature to the list in README.rst.
-3. The pull request should work for Python 3.6, 3.7, and 3.8.
+3. The pull request should work for Python 3.7, 3.8, and 3.9.

.github/workflows/test.yml

@@ -13,7 +13,7 @@ jobs:
       fail-fast: true
       matrix:
         os: ["windows-latest", "ubuntu-latest", "macos-latest"]
-        python-version: ["3.6", "3.7", "3.8"]
+        python-version: ["3.7", "3.8", "3.9"]
 
     steps:
       - name: Checkout source
@@ -22,7 +22,8 @@ jobs:
       - name: Setup Conda Environment
         uses: conda-incubator/setup-miniconda@v2
         with:
-          miniconda-version: "latest"
+          miniforge-variant: Mambaforge
+          use-mamba: true
           python-version: ${{ matrix.python-version }}
           environment-file: continuous_integration/environment-${{ matrix.python-version }}.yml
           activate-environment: dask-image-testenv

continuous_integration/environment-3.7.yml

@@ -5,15 +5,15 @@ channels:
 
 dependencies:
   - python=3.7.*
-  - pip==19.0.1
-  - wheel==0.32.3
-  - coverage==4.5.2
-  - flake8==3.7.2
-  - pytest==5.2.0
-  - pytest-flake8==1.0.4
+  - pip==22.0.3
+  - wheel==0.37.1
+  - coverage==6.3.1
+  - flake8==4.0.1
+  - pytest==7.0.0
+  - pytest-flake8==1.0.7
   - dask==2.8.1
-  - numpy==1.15.4
-  - scipy==1.2.0
-  - scikit-image==0.14.2
-  - pims==0.4.1
-  - slicerator
+  - numpy==1.21.5
+  - scipy==1.7.3
+  - scikit-image==0.19.1
+  - pims==0.5
+  - slicerator==1.0.0

continuous_integration/environment-3.8.yml

@@ -5,15 +5,15 @@ channels:
 
 dependencies:
   - python=3.8.*
-  - pip==19.3.1
-  - wheel==0.33.6
-  - coverage==4.5.4
-  - flake8==3.7.9
-  - pytest==5.3.1
-  - pytest-flake8==1.0.4
+  - pip==22.0.3
+  - wheel==0.37.1
+  - coverage==6.3.1
+  - flake8==4.0.1
+  - pytest==7.0.0
+  - pytest-flake8==1.0.7
   - dask==2.8.1
-  - numpy==1.17.3
-  - scipy==1.3.2
-  - scikit-image==0.16.2
-  - pims==0.4.1
-  - slicerator
+  - numpy==1.22.2
+  - scipy==1.8.0
+  - scikit-image==0.19.1
+  - pims==0.5
+  - slicerator==1.0.0

continuous_integration/environment-3.9.yml

@@ -0,0 +1,19 @@
+name: dask-image-testenv
+
+channels:
+  - conda-forge
+
+dependencies:
+  - python=3.9.*
+  - pip==22.0.2
+  - wheel==0.37.1
+  - coverage==6.3
+  - flake8==4.0.1
+  - pytest==6.2.5
+  - pytest-flake8==1.0.7
+  - dask==2022.1.1
+  - numpy==1.22.1
+  - scipy==1.7.3
+  - scikit-image==0.19.1
+  - pims==0.5
+  - slicerator==1.0.0

continuous_integration/environment-latest.yml

@@ -0,0 +1 @@
+environment-3.9.yml

setup.py

@@ -70,10 +70,10 @@ def run_tests(self):
         "License :: OSI Approved :: BSD License",
         "Natural Language :: English",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
     ],
     tests_require=test_requirements
 )