changed warning in animation

fredrik-1 · fredrik-1 · commit fabf8874b492 · 2018-08-09T09:26:40.000+02:00
diff --git a/lib/matplotlib/animation.py b/lib/matplotlib/animation.py
@@ -1124,7 +1124,8 @@ class to use, such as 'ffmpeg'. If ``None``, defaults to
                                          extra_args=extra_args,
                                          metadata=metadata)
             else:
-                _log.warning("MovieWriter %s unavailable.", writer)
+                _log.warning("MovieWriter {} unavailable. Using {} \
+                             instead.".format(writer, writers.list()[0]))
 
                 try:
                     writer = writers[writers.list()[0]](fps, codec, bitrate,
