Merge pull request matplotlib#16929 from QuLogic/tk-resize

tk: Resize the canvas, not the figure.

Author: dstansby

lib/matplotlib/backends/_backend_tk.py

@@ -446,7 +446,7 @@ def _get_toolmanager(self):
         return toolmanager
 
     def resize(self, width, height):
-        self.canvas._tkcanvas.master.geometry("%dx%d" % (width, height))
+        self.canvas._tkcanvas.configure(width=width, height=height)
 
         if self.toolbar is not None:
             self.toolbar.configure(width=width)