Backport PR #10428: Fix wx canvas type injection.

DietmarSchwertberger · MeeseeksDev[bot] · commit 237d5b676bd6 · 2018-02-24T14:12:03.000Z
diff --git a/lib/matplotlib/backends/backend_wx.py b/lib/matplotlib/backends/backend_wx.py
@@ -1230,7 +1230,7 @@ def _get_toolbar(self, statbar):
         return toolbar
 
     def get_canvas(self, fig):
-        return type(self.canvas)(self, -1, fig)
+        return FigureCanvasWx(self, -1, fig)
 
     def get_figure_manager(self):
         DEBUG_MSG("get_figure_manager()", 1, self)
@@ -1508,7 +1508,7 @@ def __init__(self, canvas):
         self.retinaFix = 'wxMac' in wx.PlatformInfo
 
     def get_canvas(self, frame, fig):
-        return FigureCanvasWx(frame, -1, fig)
+        return type(self.canvas)(frame, -1, fig)
 
     def _init_toolbar(self):
         DEBUG_MSG("_init_toolbar", 1, self)
