fixed another typo

Author: vlsd

lib/matplotlib/animation.py

@@ -401,7 +401,7 @@ def _args(self):
         # ffmpeg to create a movie using a collection of temp images
         return [self.bin_path(), '-i', self._base_temp_name(),
                 '-vframes', str(self._frame_counter),
-                '-r', str(self.fps), ] + self.output_args
+                '-r', str(self.fps)] + self.output_args
 
 
 # Base class of avconv information.  AVConv has identical arguments to