Merge pull request #19638 from meeseeksmachine/auto-backport-of-pr-19632-on-v3.4.x

tacaswell · web-flow · commit f8305e569b35 · 2021-03-03T22:56:19.000-05:00
Backport PR #19632 on branch v3.4.x (Fix handling of warn keyword in in Figure.show.)
diff --git a/lib/matplotlib/figure.py b/lib/matplotlib/figure.py
@@ -2209,7 +2209,8 @@ def show(self, warn=True):
         try:
             self.canvas.manager.show()
         except NonGuiException as exc:
-            _api.warn_external(str(exc))
+            if warn:
+                _api.warn_external(str(exc))
 
     def get_axes(self):
         """
