Removed redundant part of test

symbolic23 · symbolic23 · commit 3159fa4b47ac · 2023-05-02T09:54:04.000-04:00
diff --git a/lib/matplotlib/backend_bases.py b/lib/matplotlib/backend_bases.py
@@ -3016,8 +3016,8 @@ def mouse_move(self, event):
         self.set_message(self._mouse_event_to_message(event))
 
         if callable(getattr(self, 'set_hover_message', None)):
-            for a in self.canvas.figure.findobj(match=lambda x: not isinstance(x,
-                                                                               Rectangle), include_self=False):
+            nonrect = lambda x: not isinstance(x, Rectangle)
+            for a in self.canvas.figure.findobj(match=nonrect, include_self=False):
                 inside, prop = a.contains(event)
                 if inside:
                     self.set_hover_message(self._mouse_event_to_message(event))
diff --git a/lib/matplotlib/tests/test_artist.py b/lib/matplotlib/tests/test_artist.py
@@ -332,7 +332,7 @@ def test_set_hover():
 
     fig, ax = plt.subplots()
     im = ax.imshow(np.arange(36).reshape(6, 6))  # non-blank canvasses
-    ln, = ax.plot(range(5))
+
     im.set_hover(True)  # set hover variable to possible values given a figure exists
     assert im.get_hover()
     im.set_hover(False)
@@ -341,8 +341,6 @@ def test_set_hover():
     assert im.get_hover() is None
 
     im.remove()
-    ln.remove()
-
 
 def test_callbacks():
     def func(artist):
