Revert tightening of thread safety test

richardsheridan · richardsheridan · commit 09d420c83d5b · 2022-04-13T17:08:33.000-04:00
Based on suggestion from code review
diff --git a/lib/matplotlib/tests/test_backends_interactive.py b/lib/matplotlib/tests/test_backends_interactive.py
@@ -196,6 +196,7 @@ def _test_thread_impl():
     plt.pause(0.5)  # flush_events fails here on at least Tkagg (bpo-41176)
     future.result()  # Joins the thread; rethrows any exception.
     plt.close()  # backend is responsible for flushing any events here
+    fig.canvas.flush_events()  # TODO: debug why WX needs this only on py3.8
 
 
 _thread_safe_backends = _get_testable_interactive_backends()
