Linting fixes

Author: tohc1

lib/matplotlib/backends/backend_wx.py

@@ -971,10 +971,10 @@ def _onClose(self, event):
         _log.debug("%s - onClose()", type(self))
         self.canvas.close_event()
         self.canvas.stop_event_loop()
-        # set FigureManagerWx.frame to None to prevent repeated attempts to close
-        # this frame from with the FigureManagerWx.destroy()
+        # set FigureManagerWx.frame to None to prevent repeated attempts to
+        # close this frame from with the FigureManagerWx.destroy()
         if self.figmgr is not None:
-            self.figmgr.frame = None 
+            self.figmgr.frame = None
             # remove figure manager from Gcf.figs
             Gcf.destroy(self.figmgr)
         #carry on with wx close event propagation, frame & children destruction
@@ -995,7 +995,8 @@ def Destroy(self, *args, **kwargs):
         # MPLBACKEND=wxagg python -c 'from pylab import *; plot()'.
         if self and not self.IsBeingDeleted():
             super().Destroy(*args, **kwargs)
-            # This should not be necessary if the close event is allowed to propagate.
+            # This should not be necessary if the close event is allowed to
+            # propagate.
             #if self.toolbar is not None:
             #    self.toolbar.Destroy()
         return True
@@ -1046,9 +1047,9 @@ def destroy(self, *args):
         _log.debug("%s - destroy()", type(self))
         frame = self.frame
         if frame:  # Else, may have been already deleted, e.g. when closing.
-            # as this can be called from non gui thread from plt.close use 
+            # as this can be called from non gui thread from plt.close use
             # wx.CallAfter to esnure thread safety.
-            wx.CallAfter( frame.Close )
+            wx.CallAfter(frame.Close)
 
     def full_screen_toggle(self):
         # docstring inherited