Fix example typo

Author: StanFromIreland

Doc/library/turtle.rst

@@ -2056,7 +2056,7 @@ Settings and special methods
 
       >>> cv = screen.getcanvas()
       >>> cv
-      <turtle.ScrolledCanvas object at ...>
+      <turtle.ScrolledCanvas object ...>
 
 
 .. function:: getshapes()

Lib/turtle.py

@@ -1358,7 +1358,7 @@ def getcanvas(self):
         Example (for a Screen instance named screen):
             >>> cv = screen.getcanvas()
             >>> cv
-            <turtle.ScrolledCanvas instance at ...>
+            <turtle.ScrolledCanvas object ...>
         """
         return self.cv