8000 Backport PR #20916 on branch v3.5.x (Improve deleted Animation warning) by meeseeksmachine · Pull Request #20933 · matplotlib/matplotlib · GitHub
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Backport PR #20916 on branch v3.5.x (Improve deleted Animation warning) #20933

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Merged
merged 1 commit into from
Aug 28, 2021
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Backport PR #20916 on branch v3.5.x (Improve deleted Animation warning) #20933

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8 changes: 5 additions & 3 deletions lib/matplotlib/animation.py
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Original file line number Diff line number Diff line change
Expand Up @@ -888,9 +888,11 @@ def __del__(self):
if not getattr(self, '_draw_was_started', True):
warnings.warn(
'Animation was deleted without rendering anything. This is '
'most likely unintended. To prevent deletion, assign the '
'Animation to a variable that exists for as long as you need '
'the Animation.')
'most likely not intended. To prevent deletion, assign the '
'Animation to a variable, e.g. `anim`, that exists until you '
'have outputted the Animation using `plt.show()` or '
'`anim.save()`.'
)

def _start(self, *args):
"""
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