correct PEP8 problems

briantoby · briantoby · commit f18bd4a00248 · 2015-12-06T19:33:24.000-06:00
diff --git a/lib/matplotlib/backends/backend_wx.py b/lib/matplotlib/backends/backend_wx.py
@@ -1679,7 +1679,8 @@ def press(self, event):
             if not self.RetinaFix:
                 self.wxoverlay = wx.Overlay()
             else:
-                self.savedRetinaImage = self.canvas.copy_from_bbox(self.canvas.figure.gca().bbox)
+                self.savedRetinaImage = self.canvas.copy_from_bbox(
+                    self.canvas.figure.gca().bbox)
                 self.zoomStartX = event.xdata
                 self.zoomStartY = event.ydata
 
@@ -1697,21 +1698,22 @@ def release(self, event):
                     self.prevZoomRect = None
 
     def draw_rubberband(self, event, x0, y0, x1, y1):
-        if self.RetinaFix:
-            # wx.DCOverlay does not work properly on Macs with Retina displays
-            # for Macs, use the following code instead.
-            rubberBandColor = '#C0C0FF' # or load from config?
+        if self.RetinaFix:  # On Macs, use the following code
+            # wx.DCOverlay does not work properly on Retina displays. 
+            rubberBandColor = '#C0C0FF'
             if self.prevZoomRect:
                 self.prevZoomRect.pop(0).remove()
             self.canvas.restore_region(self.savedRetinaImage)
-            X0,X1,Y0,Y1 = self.zoomStartX,event.xdata,self.zoomStartY,event.ydata
+            X0,X1 = self.zoomStartX,event.xdata
+            Y0,Y1 = self.zoomStartY,event.ydata
             lineX = (X0, X0, X1, X1, X0)
             lineY = (Y0, Y1, Y1, Y0, Y0)
-            self.prevZoomRect = self.canvas.figure.gca().plot(lineX,lineY,'-',color=rubberBandColor)
+            self.prevZoomRect = self.canvas.figure.gca().plot(
+                lineX,lineY,'-',color=rubberBandColor)
             self.canvas.figure.gca().draw_artist(self.prevZoomRect[0])
             self.canvas.blit(self.canvas.figure.gca().bbox)
             return
-        
+
         # Use an Overlay to draw a rubberband-like bounding box.
 
         dc = wx.ClientDC(self.canvas)
