Fix type of writer argument to Animation.save

QuLogic · QuLogic · commit 170885a07f25 · 2023-07-28T03:48:06.000-04:00
Internally, a `PillowWriter` is sometimes used, and this should be
supported from user code as well.
diff --git a/lib/matplotlib/animation.pyi b/lib/matplotlib/animation.pyi
@@ -162,7 +162,7 @@ class Animation:
     def save(
         self,
         filename: str | Path,
-        writer: MovieWriter | str | None = ...,
+        writer: AbstractMovieWriter | str | None = ...,
         fps: int | None = ...,
         dpi: float | None = ...,
         codec: str | None = ...,
