Merge pull request #8559 from cgohlke/patch-1

tacaswell · web-flow · commit f92e79cd2454 · 2017-05-02T23:15:58.000-04:00
Fix: AttributeError: 'QPixmap' object has no attribute 'setDevicePixelRatio'
diff --git a/lib/matplotlib/backends/backend_qt5.py b/lib/matplotlib/backends/backend_qt5.py
@@ -588,7 +588,8 @@ def _icon(self, name):
         if is_pyqt5():
             name = name.replace('.png', '_large.png')
         pm = QtGui.QPixmap(os.path.join(self.basedir, name))
-        pm.setDevicePixelRatio(self.canvas._dpi_ratio)
+        if hasattr(pm, 'setDevicePixelRatio'):
+            pm.setDevicePixelRatio(self.canvas._dpi_ratio)
         return QtGui.QIcon(pm)
 
     def _init_toolbar(self):
