matplotlib
diff --git a/‎lib/matplotlib/artist.py
Copy file name to clipboardExpand all lines: lib/matplotlib/artist.py
+3Lines changed: 3 additions & 0 deletions b/‎lib/matplotlib/artist.py
Copy file name to clipboardExpand all lines: lib/matplotlib/artist.py
+3Lines changed: 3 additions & 0 deletions
diff --git a/‎lib/matplotlib/axes/_base.py
Copy file name to clipboardExpand all lines: lib/matplotlib/axes/_base.py
+1-2Lines changed: 1 addition & 2 deletions b/‎lib/matplotlib/axes/_base.py
Copy file name to clipboardExpand all lines: lib/matplotlib/axes/_base.py
+1-2Lines changed: 1 addition & 2 deletions
diff --git a/‎lib/matplotlib/axis.py
Copy file name to clipboardExpand all lines: lib/matplotlib/axis.py
+4-9Lines changed: 4 additions & 9 deletions b/‎lib/matplotlib/axis.py
Copy file name to clipboardExpand all lines: lib/matplotlib/axis.py
+4-9Lines changed: 4 additions & 9 deletions
@@ -232,6 +232,9 @@ def stale(self, val):
     def get_window_extent(self, renderer):
         """
         Get the axes bounding box in display space.
+
+        The bounding box' width and height are nonnegative.
+
         Subclasses should override for inclusion in the bounding box
         "tight" calculation. Default is to return an empty bounding
         box at 0, 0.
 
@@ -4335,8 +4335,7 @@ def get_tightbbox(self, renderer, call_axes_locator=True,
         for a in bbox_artists:
             bbox = a.get_tightbbox(renderer)
             if (bbox is not None and
-                    (bbox.width != 0 or bbox.height != 0) and
-                    np.isfinite(bbox.width) and np.isfinite(bbox.height)):
+                    0 < bbox.width < np.inf and 0 < bbox.height < np.inf):
                 bb.append(bbox)
 
         _bbox = mtransforms.Bbox.union(
 
@@ -1152,20 +1152,15 @@ def get_tightbbox(self, renderer):
         self.offsetText.set_text(self.major.formatter.get_offset())
 
         bb = []
-
         for a in [self.label, self.offsetText]:
-            bbox = a.get_window_extent(renderer)
-            if (np.isfinite(bbox.width) and np.isfinite(bbox.height) and
-                    a.get_visible()):
+            if a.get_visible():
+                bbox = a.get_window_extent(renderer)
                 bb.append(bbox)
         bb.extend(ticklabelBoxes)
         bb.extend(ticklabelBoxes2)
-        bb = [b for b in bb if ((b.width != 0 or b.height != 0) and
-                                np.isfinite(b.width) and
-                                np.isfinite(b.height))]
+        bb = [b for b in bb if 0 < b.width < np.inf and 0 < b.height < np.inf]
         if bb:
-            _bbox = mtransforms.Bbox.union(bb)
-            return _bbox
+            return mtransforms.Bbox.union(bb)
         else:
             return None