From 3b732f58f772c5308047b80ebb8a0e344292a62c Mon Sep 17 00:00:00 2001
From: Kentaro Wada <www.kentaro.wada@gmail.com>
Date: Fri, 5 Mar 2021 17:15:45 +0900
Subject: [PATCH] Fix RuntimeWarning in distanceToLine

---
 labelme/utils/qt.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/labelme/utils/qt.py b/labelme/utils/qt.py
index e20016e..5a70c83 100644
--- a/labelme/utils/qt.py
+++ b/labelme/utils/qt.py
@@ -90,6 +90,8 @@ def distancetoline(point, line):
         return np.linalg.norm(p3 - p1)
     if np.dot((p3 - p2), (p1 - p2)) < 0:
         return np.linalg.norm(p3 - p2)
+    if np.linalg.norm(p2 - p1) == 0:
+        return 0
     return np.linalg.norm(np.cross(p2 - p1, p1 - p3)) / np.linalg.norm(p2 - p1)
 
 
-- 
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