Merge pull request #27536 from meeseeksmachine/auto-backport-of-pr-27…

…534-on-v3.8.x Backport PR #27534 on branch v3.8.x (Clarify AxLine Params)
matplotlib · Dec 17, 2023 · 72a1224 · 72a1224
2 parents b577614 + 4a7efef
commit 72a1224
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/lib/matplotlib/lines.py b/lib/matplotlib/lines.py
@@ -1478,9 +1478,10 @@ def __init__(self, xy1, xy2, slope, **kwargs):
             The first set of (x, y) coordinates for the line to pass through.
         xy2 : (float, float) or None
             The second set of (x, y) coordinates for the line to pass through.
-            Either *xy2* or *slope* has to be given.
+            Both *xy2* and *slope* must be passed, but one of them must be None.
         slope : float or None
-            The slope of the line. Either *xy2* or *slope* has to be given.
+            The slope of the line. Both *xy2* and *slope* must be passed, but one of
+            them must be None.
         """
         super().__init__([0, 1], [0, 1], **kwargs)