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Fix AttributeError: 'QPixmap' object has no attribute 'setDevicePixelRatio'#8559

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tacaswell merged 1 commit intomatplotlib:v2.0.xfromcgohlke:patch-1
May 3, 2017

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cgohlke
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Re#8440.
Using matplotlib-2.0.1 with PyQt4‑4.11.4, the exampleembedding_in_qt4_wtoolbar.py fails:

X:\Python36\lib\site-packages\matplotlib\backends\qt4_compat.py:10: MatplotlibDeprecationWarning: This module has been deprecated in 1.4 in favor of matplotlib.backends.qt_compatThis module will be removed in 1.5, please update your imports.  warnings.warn(_warn_str, mplDeprecation)Traceback (most recent call last):  File "embedding_in_qt4_wtoolbar.py", line 74, in <module>    main()  File "embedding_in_qt4_wtoolbar.py", line 69, in main    form = AppForm()  File "embedding_in_qt4_wtoolbar.py", line 27, in __init__    self.create_main_frame()  File "embedding_in_qt4_wtoolbar.py", line 39, in create_main_frame    self.mpl_toolbar = NavigationToolbar(self.canvas, self.main_frame)  File "X:\Python36\lib\site-packages\matplotlib\backends\backend_qt5.py", line 585, in __init__    NavigationToolbar2.__init__(self, canvas)  File "X:\Python36\lib\site-packages\matplotlib\backend_bases.py", line 2760, in __init__    self._init_toolbar()  File "X:\Python36\lib\site-packages\matplotlib\backends\backend_qt5.py", line 601, in _init_toolbar    a = self.addAction(self._icon(image_file + '.png'),  File "X:\Python36\lib\site-packages\matplotlib\backends\backend_qt5.py", line 591, in _icon    pm.setDevicePixelRatio(self.canvas._dpi_ratio)AttributeError: 'QPixmap' object has no attribute 'setDevicePixelRatio'

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This looks right to me, and appears to be the only place where the conditional was missed.

@efiringefiring changed the titleFix AttributeError: 'QPixmap' object has no attribute 'setDevicePixelRatio'[MRG+1] Fix AttributeError: 'QPixmap' object has no attribute 'setDevicePixelRatio'May 2, 2017
@tacaswelltacaswell merged commitf92e79c intomatplotlib:v2.0.xMay 3, 2017
@QuLogicQuLogic added this to the2.0.2 (next bug fix release) milestoneMay 3, 2017
@QuLogicQuLogic changed the title[MRG+1] Fix AttributeError: 'QPixmap' object has no attribute 'setDevicePixelRatio'Fix AttributeError: 'QPixmap' object has no attribute 'setDevicePixelRatio'May 3, 2017
@tacaswelltacaswell modified the milestones:2.0.3 (next bug fix release),2.0.2 (critical bug fixes from 2.0.1)May 7, 2017
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@cgohlke@WeatherGod@efiring@tacaswell@QuLogic
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