matplotlib
diff --git a/‎lib/matplotlib/backends/backend_tkagg.py
Copy file name to clipboardExpand all lines: lib/matplotlib/backends/backend_tkagg.py
+2-1Lines changed: 2 additions & 1 deletion b/‎lib/matplotlib/backends/backend_tkagg.py
Copy file name to clipboardExpand all lines: lib/matplotlib/backends/backend_tkagg.py
+2-1Lines changed: 2 additions & 1 deletion
@@ -225,7 +225,8 @@ def __init__(self, figure, master=None, resize_callback=None):
         t1,t2,w,h = self.figure.bbox.bounds
         w, h = int(w), int(h)
         self._tkcanvas = Tk.Canvas(
-            master=master, width=w, height=h, borderwidth=4)
+            master=master, width=w, height=h, borderwidth=0,
+            highlightthickness=0)
         self._tkphoto = Tk.PhotoImage(
             master=self._tkcanvas, width=w, height=h)
         self._tkcanvas.create_image(w//2, h//2, image=self._tkphoto)