Merge pull request #12083 from meeseeksmachine/auto-backport-of-pr-12012-on-v3.0.x

QuLogic · web-flow · commit 8f297fb81603 · 2018-09-10T18:34:20.000-04:00
Backport PR #12012 on branch v3.0.x (FIX: fallback text renderer to fig._cachedRenderer, if none found)
diff --git a/lib/matplotlib/text.py b/lib/matplotlib/text.py
@@ -921,6 +921,8 @@ 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')
 
