8000 Backport PR #21553 on branch v3.5.x (Fix check for manager presence in blocking_input.) by meeseeksmachine · Pull Request #21560 · matplotlib/matplotlib · GitHub
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Backport PR #21553 on branch v3.5.x (Fix check for manager presence in blocking_input.) #21560

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Merged
merged 1 commit into from
Nov 8, 2021
+2 −2
Merged

Backport PR #21553 on branch v3.5.x (Fix check for manager presence in blocking_input.) #21560

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2 changes: 1 addition & 1 deletion lib/matplotlib/_blocking_input.py
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Expand Up @@ -18,7 +18,7 @@ def blocking_input_loop(figure, event_names, timeout, handler):
Function called for each event; it can force an early exit of the event
loop by calling ``canvas.stop_event_loop()``.
"""
if hasattr(figure.canvas, "manager"):
if figure.canvas.manager:
figure.show() # Ensure that the figure is shown if we are managing it.
# Connect the events to the on_event function call.
cids = [figure.canvas.mpl_connect(name, handler) for name in event_names]
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2 changes: 1 addition & 1 deletion lib/matplotlib/blocking_input.py
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Expand Up @@ -83,7 +83,7 @@ def __call__(self, n=1, timeout=30):
self.n = n
self.events = []

if hasattr(self.fig.canvas, "manager"):
if self.figure.canvas.manager:
# Ensure that the figure is shown, if we are managing it.
self.fig.show()
# Connect the events to the on_event function call.
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