Make quality kwarg explicit in FigureCanvasWx._print_image.

QuLogic · QuLogic · commit 628d95a086bf · 2020-06-11T18:19:01.000-04:00
diff --git a/lib/matplotlib/backends/backend_wx.py b/lib/matplotlib/backends/backend_wx.py
@@ -861,7 +861,7 @@ def print_tiff(self, filename, *args, **kwargs):
     def print_xpm(self, filename, *args, **kwargs):
         return self._print_image(filename, wx.BITMAP_TYPE_XPM, *args, **kwargs)
 
-    def _print_image(self, filename, filetype, *args, **kwargs):
+    def _print_image(self, filename, filetype, *args, quality=None, **kwargs):
         origBitmap = self.bitmap
 
         self.bitmap = wx.Bitmap(math.ceil(self.figure.bbox.width),
@@ -878,11 +878,11 @@ def _print_image(self, filename, filetype, *args, **kwargs):
         # are saving a JPEG, convert the wx.Bitmap to a wx.Image,
         # and set the quality.
         if filetype == wx.BITMAP_TYPE_JPEG:
-            jpeg_quality = kwargs.get(
-                'quality',
-                dict.__getitem__(mpl.rcParams, 'savefig.jpeg_quality'))
+            if quality is None:
+                quality = dict.__getitem__(mpl.rcParams,
+                                           'savefig.jpeg_quality')
             image = self.bitmap.ConvertToImage()
-            image.SetOption(wx.IMAGE_OPTION_QUALITY, str(jpeg_quality))
+            image.SetOption(wx.IMAGE_OPTION_QUALITY, str(quality))
 
         # Now that we have rendered into the bitmap, save it to the appropriate
         # file type and clean up.
