Merge pull request #9762 from matplotlib/auto-backport-of-pr-9759

dstansby · web-flow · commit 3aa24367cca7 · 2017-11-13T13:59:44.000Z
Backport PR #9759 on branch v2.1.x
diff --git a/lib/matplotlib/blocking_input.py b/lib/matplotlib/blocking_input.py
@@ -101,7 +101,7 @@ def __call__(self, n=1, timeout=30):
         self.events = []
         self.callbacks = []
 
-        if hasattr(self.fig, "manager"):
+        if hasattr(self.fig.canvas, "manager"):
             # Ensure that the figure is shown, if we are managing it.
             self.fig.show()
 
