Do not change data limits if a transform is passed

johan12345 · web-flow · commit 0b0ea4e8fc3f · 2020-10-21T16:16:32.000+02:00
diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
@@ -855,8 +855,8 @@ def axline(self, xy1, xy2=None, *, slope=None, **kwargs):
 
         datalim = [xy1] if xy2 is None else [xy1, xy2]
         if "transform" in kwargs:
-            #TODO: datalim = (kwargs["transform"]
-            # + self.transData.inverted()).transform(datalim)?
+            # if a transform is passed (i.e. line points are not in data space),
+            # data limits should not be adjusted.
             datalim = []
 
         line = mlines._AxLine(xy1, xy2, slope, **kwargs)
