From 7fd3b7ba4aae22d6defd14d1cbb69e562d7f4522 Mon Sep 17 00:00:00 2001
From: Tim Hoffmann <2836374+timhoffm@users.noreply.github.com>
Date: Thu, 17 Oct 2024 21:04:14 +0200
Subject: [PATCH] Backport PR #28987: Fix: Do not use numeric tolerances for
axline special cases
---
lib/matplotlib/lines.py | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/lib/matplotlib/lines.py b/lib/matplotlib/lines.py
index 569669f76e8d..d24e528e4c0a 100644
--- a/lib/matplotlib/lines.py
+++ b/lib/matplotlib/lines.py
@@ -1505,8 +1505,8 @@ def get_transform(self):
points_transform.transform([self._xy1, self._xy2])
dx = x2 - x1
dy = y2 - y1
- if np.allclose(x1, x2):
- if np.allclose(y1, y2):
+ if dx == 0:
+ if dy == 0:
raise ValueError(
f"Cannot draw a line through two identical points "
f"(x={(x1, x2)}, y={(y1, y2)})")
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