Remove deprecated Moviewriter.cleanup

Author: Oscar Gustafsson

doc/api/next_api_changes/removals/22365-OG.rst

@@ -0,0 +1,5 @@
+Removal of deprecated ``MovieWriter.cleanup``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The cleanup logic is instead fully implemented in `.MovieWriter.finish` and
+``cleanup`` is no longer called.

lib/matplotlib/animation.py

@@ -334,29 +334,6 @@ def _run(self):
 
     def finish(self):
         """Finish any processing for writing the movie."""
-        overridden_cleanup = _api.deprecate_method_override(
-            __class__.cleanup, self, since="3.4", alternative="finish()")
-        if overridden_cleanup is not None:
-            overridden_cleanup()
-        else:
-            self._cleanup()  # Inline _cleanup() once cleanup() is removed.
-
-    def grab_frame(self, **savefig_kwargs):
-        # docstring inherited
-        _log.debug('MovieWriter.grab_frame: Grabbing frame.')
-        # Readjust the figure size in case it has been changed by the user.
-        # All frames must have the same size to save the movie correctly.
-        self.fig.set_size_inches(self._w, self._h)
-        # Save the figure data to the sink, using the frame format and dpi.
-        self.fig.savefig(self._proc.stdin, format=self.frame_format,
-                         dpi=self.dpi, **savefig_kwargs)
-
-    def _args(self):
-        """Assemble list of encoder-specific command-line arguments."""
-        return NotImplementedError("args needs to be implemented by subclass.")
-
-    def _cleanup(self):  # Inline to finish() once cleanup() is removed.
-        """Clean-up and collect the process used to write the movie file."""
         out, err = self._proc.communicate()
         # Use the encoding/errors that universal_newlines would use.
         out = TextIOWrapper(BytesIO(out)).read()
@@ -373,9 +350,19 @@ def _cleanup(self):  # Inline to finish() once cleanup() is removed.
             raise subprocess.CalledProcessError(
                 self._proc.returncode, self._proc.args, out, err)
 
-    @_api.deprecated("3.4")
-    def cleanup(self):
-        self._cleanup()
+    def grab_frame(self, **savefig_kwargs):
+        # docstring inherited
+        _log.debug('MovieWriter.grab_frame: Grabbing frame.')
+        # Readjust the figure size in case it has been changed by the user.
+        # All frames must have the same size to save the movie correctly.
+        self.fig.set_size_inches(self._w, self._h)
+        # Save the figure data to the sink, using the frame format and dpi.
+        self.fig.savefig(self._proc.stdin, format=self.frame_format,
+                         dpi=self.dpi, **savefig_kwargs)
+
+    def _args(self):
+        """Assemble list of encoder-specific command-line arguments."""
+        return NotImplementedError("args needs to be implemented by subclass.")
 
     @classmethod
     def bin_path(cls):