Remove redundant pixel ratio compat functions.

QuLogic · QuLogic · commit 5b6e92a37472 · 2020-06-15T18:52:17.000-04:00
diff --git a/lib/matplotlib/backends/qt_compat.py b/lib/matplotlib/backends/qt_compat.py
@@ -67,7 +67,7 @@
 
 def _setup_pyqt5():
     global QtCore, QtGui, QtWidgets, __version__, is_pyqt5, \
-        _isdeleted, _devicePixelRatio, _setDevicePixelRatio, _getSaveFileName
+        _isdeleted, _getSaveFileName
 
     if QT_API == QT_API_PYQT5:
         from PyQt5 import QtCore, QtGui, QtWidgets
@@ -89,14 +89,10 @@ def _isdeleted(obj): return not shiboken2.isValid(obj)
     def is_pyqt5():
         return True
 
-    # self.devicePixelRatio() returns 0 in rare cases
-    def _devicePixelRatio(obj): return obj.devicePixelRatio() or 1
-    def _setDevicePixelRatio(obj, factor): obj.setDevicePixelRatio(factor)
-
 
 def _setup_pyqt4():
     global QtCore, QtGui, QtWidgets, __version__, is_pyqt5, \
-        _isdeleted, _devicePixelRatio, _setDevicePixelRatio, _getSaveFileName
+        _isdeleted, _getSaveFileName
 
     def _setup_pyqt4_internal(api):
         global QtCore, QtGui, QtWidgets, \
@@ -149,9 +145,6 @@ def _isdeleted(obj): return not shiboken.isValid(obj)
     def is_pyqt5():
         return False
 
-    def _devicePixelRatio(obj): return 1
-    def _setDevicePixelRatio(obj, factor): pass
-
 
 if QT_API in [QT_API_PYQT5, QT_API_PYSIDE2]:
     _setup_pyqt5()
