Remove fallback to nonexistent setDevicePixelRatioF.

anntzer · anntzer · commit 79975bb5a77d · 2020-11-03T09:57:51.000+01:00
setDevicePixelRatioF never existed.
diff --git a/lib/matplotlib/backends/backend_qt5.py b/lib/matplotlib/backends/backend_qt5.py
@@ -17,7 +17,7 @@
 from . import qt_compat
 from .qt_compat import (
     QtCore, QtGui, QtWidgets, __version__, QT_API,
-    _devicePixelRatioF, _isdeleted, _setDevicePixelRatioF,
+    _devicePixelRatioF, _isdeleted, _setDevicePixelRatio,
 )
 
 backend_version = __version__
@@ -707,7 +707,7 @@ def _icon(self, name):
         if QtCore.qVersion() >= '5.':
             name = name.replace('.png', '_large.png')
         pm = QtGui.QPixmap(str(cbook._get_data_path('images', name)))
-        _setDevicePixelRatioF(pm, _devicePixelRatioF(self))
+        _setDevicePixelRatio(pm, _devicePixelRatioF(self))
         if self.palette().color(self.backgroundRole()).value() < 128:
             icon_color = self.palette().color(self.foregroundRole())
             mask = pm.createMaskFromColor(QtGui.QColor('black'),
diff --git a/lib/matplotlib/backends/qt_compat.py b/lib/matplotlib/backends/qt_compat.py
@@ -206,15 +206,12 @@ def _devicePixelRatioF(obj):
         return 1
 
 
-def _setDevicePixelRatioF(obj, val):
+def _setDevicePixelRatio(obj, val):
     """
-    Call obj.setDevicePixelRatioF(val) with graceful fallback for older Qt.
+    Call obj.setDevicePixelRatio(val) with graceful fallback for older Qt.
 
     This can be replaced by the direct call when we require Qt>=5.6.
     """
-    if hasattr(obj, 'setDevicePixelRatioF'):
-        # Not available on Qt<5.6
-        obj.setDevicePixelRatioF(val)
-    elif hasattr(obj, 'setDevicePixelRatio'):
+    if hasattr(obj, 'setDevicePixelRatio'):
         # Not available on Qt4 or some older Qt5.
         obj.setDevicePixelRatio(val)
