Merge pull request #12082 from meeseeksmachine/auto-backport-of-pr-12012-on-v2.2.x

QuLogic · web-flow · commit 139f05f22ffa · 2018-09-10T18:33:51.000-04:00
Backport PR #12012 on branch v2.2.x (FIX: fallback text renderer to fig._cachedRenderer, if none found)
diff --git a/lib/matplotlib/text.py b/lib/matplotlib/text.py
@@ -916,6 +916,8 @@ def get_window_extent(self, renderer=None, dpi=None):
 
         if renderer is not None:
             self._renderer = renderer
+        if self._renderer is None:
+            self._renderer = self.figure._cachedRenderer
         if self._renderer is None:
             raise RuntimeError('Cannot get window extent w/o renderer')
 
