fix flake8 warnings

Author: jef-n

python/plugins/MetaSearch/dialogs/maindialog.py

@@ -34,7 +34,7 @@
 
 import json
 import os.path
-from urllib.request import build_opener, HTTPError, install_opener, HTTPBasicAuthHandler, HTTPHandler, ProxyHandler
+from urllib.request import build_opener, install_opener, ProxyHandler
 
 from qgis.PyQt.QtCore import Qt
 from qgis.PyQt.QtWidgets import QApplication, QDialog, QDialogButtonBox, QMessageBox, QTreeWidgetItem, QWidget

python/plugins/processing/ProcessingPlugin.py

@@ -40,7 +40,7 @@
 from processing.core.Processing import Processing
 from processing.gui.ProcessingToolbox import ProcessingToolbox
 from processing.gui.HistoryDialog import HistoryDialog
-from processing.gui.ConfigDialog import ConfigOptionsPage, ConfigDialog
+from processing.gui.ConfigDialog import ConfigOptionsPage
 from processing.gui.ResultsDock import ResultsDock
 from processing.gui.CommanderWindow import CommanderWindow
 from processing.modeler.ModelerDialog import ModelerDialog

python/plugins/processing/algs/qgis/scripts/Keep_n_biggest_parts.py

@@ -4,7 +4,7 @@
 ##To_keep=number 1
 ##Biggest parts=output vector
 
-from qgis.core import Qgis, QgsGeometry, QgsWkbTypes
+from qgis.core import QgsGeometry, QgsWkbTypes
 from operator import itemgetter
 
 To_keep = int(To_keep)

python/plugins/processing/gui/ConfigDialog.py

@@ -32,7 +32,6 @@
 from qgis.PyQt import uic
 from qgis.PyQt.QtCore import Qt, QEvent
 from qgis.PyQt.QtWidgets import (QFileDialog,
-                                 QDialog,
                                  QStyle,
                                  QMessageBox,
                                  QStyledItemDelegate,
@@ -41,12 +40,10 @@
                                  QToolButton,
                                  QHBoxLayout,
                                  QComboBox,
-                                 QPushButton,
-                                 QApplication)
+                                 QPushButton)
 from qgis.PyQt.QtGui import (QIcon,
                              QStandardItemModel,
-                             QStandardItem,
-                             QCursor)
+                             QStandardItem)
 
 from qgis.gui import (QgsDoubleSpinBox,
                       QgsSpinBox,

tests/src/python/test_qgsdelimitedtextprovider.py

@@ -667,7 +667,7 @@ def deletefile(layer):
             try:
                 os.remove(filename)
             except:
-                file(filename, "w").close()
+                open(filename, "w").close()
                 assert os.path.getsize(filename) == 0, "removal and truncation of {} failed".format(filename)
             # print "Deleted file - sleeping"
             time.sleep(1)

tests/src/python/test_qgsmapthemecollection.py

@@ -65,7 +65,7 @@ def testThemeChanged(self):
         self.assertEqual(len(themes_changed_spy), 3)
         # remove valid
         collection.removeMapTheme('theme1')
-        self.assertEqual(len(theme_changed_spy), 3) # not changed - removed!
+        self.assertEqual(len(theme_changed_spy), 3)  # not changed - removed!
         self.assertEqual(len(themes_changed_spy), 4)
 
         # reinsert
@@ -93,11 +93,11 @@ def testThemeChanged(self):
 
         # now kill layer 2
         project.removeMapLayer(layer2)
-        self.assertEqual(len(theme_changed_spy), 5) # signal should not be emitted - layer is not in record
+        self.assertEqual(len(theme_changed_spy), 5)  # signal should not be emitted - layer is not in record
         # now kill layer 1
         project.removeMapLayer(layer)
         app.processEvents()
-        self.assertEqual(len(theme_changed_spy), 6) # signal should be emitted - layer is in record
+        self.assertEqual(len(theme_changed_spy), 6)  # signal should be emitted - layer is in record
 
     def testMasterLayerOrder(self):
         """ test master layer order"""