BUG: Convert from str to writer

larsoner · larsoner · commit f0fc42f11e13 · 2020-06-25T15:44:51.000-04:00
diff --git a/lib/matplotlib/animation.py b/lib/matplotlib/animation.py
@@ -1106,6 +1106,8 @@ def func(current_frame: int, total_frames: int) -> Any
                                      "save animations.")
                 _log.warning("MovieWriter %s unavailable; trying to use %s "
                              "instead.", writer, alt_writer)
+                if isinstance(alt_writer, str):
+                    alt_writer = writers[alt_writer]
                 writer = alt_writer(
                     fps, codec, bitrate,
                     extra_args=extra_args, metadata=metadata)
