8000 BUG : modified logic on starting qApp by tacaswell · Pull Request #3360 · matplotlib/matplotlib · GitHub
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BUG : modified logic on starting qApp #3360

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Merged
merged 1 commit into from
Aug 17, 2014
Merged

BUG : modified logic on starting qApp #3360

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4 changes: 2 additions & 2 deletions lib/matplotlib/backends/backend_qt5.py
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Original file line number Diff line number Diff line change
Expand Up @@ -125,13 +125,13 @@ def _create_qApp():
"""
Only one qApp can exist at a time, so check before creating one.
"""
if QtWidgets.QApplication.startingUp():

if qApp is None:
if DEBUG:
print("Starting up QApplication")
global qApp
app = QtWidgets.QApplication.instance()
if app is None:

# check for DISPLAY env variable on X11 build of Qt
if hasattr(QtGui, "QX11Info"):
display = os.environ.get('DISPLAY')
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