Update _backend_tk.py

816-8055 · web-flow · commit 6c37203d4de8 · 2018-07-04T07:48:05.000Z
Added reason for change as a comment
diff --git a/lib/matplotlib/backends/_backend_tk.py b/lib/matplotlib/backends/_backend_tk.py
@@ -473,6 +473,7 @@ def __init__(self, canvas, num, window):
         self.window.withdraw()
         self.set_window_title("Figure %d" % num)
         self.canvas = canvas
+        # packing toolbar first, because if space is getting low, last packed widget is getting shrunk first (-> the canvas)
         self.toolbar = self._get_toolbar()
         self.canvas._tkcanvas.pack(side=Tk.TOP, fill=Tk.BOTH, expand=1)
         self._num = num
