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Replace default list arg with None

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This commit is contained in:
Kenneth Lyons 2020-04-11 20:15:00 -07:00
parent 66b8c42ee0
commit a703155a21
1 changed files with 6 additions and 2 deletions
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8
pyqtgraph/Qt.py
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@ -1,3 +1,4 @@
# -*- coding: utf-8 -*-
"""
This module exists to smooth out some of the differences between PySide and PyQt4:
@ -329,7 +330,7 @@ if m is not None and list(map(int, m.groups())) < versionReq:
QAPP = None
def mkQApp(name="pyqtgraph", qt_args=[]):
def mkQApp(name="pyqtgraph", qt_args=None):
"""
Creates new QApplication or returns current instance if existing.
@ -342,5 +343,8 @@ def mkQApp(name="pyqtgraph", qt_args=[]):
global QAPP
QAPP = QtGui.QApplication.instance()
if QAPP is None:
QAPP = QtGui.QApplication([name] + qt_args)
args = [name]
if qt_args is not None:
args.extend(qt_args)
QAPP = QtGui.QApplication(args)
return QAPP