Only propagate minpos if it's been set.

QuLogic · QuLogic · commit b6d26c8d7129 · 2020-10-02T22:48:44.000-04:00
This is mostly for the sake of third-party `Collection` subclasses that
might have overridden `get_datalim`.
diff --git a/lib/matplotlib/axes/_base.py b/lib/matplotlib/axes/_base.py
@@ -1990,8 +1990,10 @@ def add_collection(self, collection, autolim=True):
             # pre-lazy-autoscale behavior, which is not really better).
             self._unstale_viewLim()
             datalim = collection.get_datalim(self.transData)
-            self.update_datalim(
-                np.row_stack([datalim.p0, datalim.minpos, datalim.p1]))
+            points = datalim.get_points()
+            if not np.isinf(datalim.minpos).all():
+                points = np.concatenate([points, [datalim.minpos]])
+            self.update_datalim(points)
 
         self.stale = True
         return collection
