BUG: prevent PyDMDrawingLine from dividing by a length of 0

slaclab · Sep 26, 2023 · 14c9223 · 14c9223
1 parent f3fa59e
commit 14c9223
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pydm/widgets/drawing.py b/pydm/widgets/drawing.py
@@ -478,7 +478,7 @@ def _arrow_points(startpoint, endpoint, height, width):
         diff_x = startpoint.x() - endpoint.x()
         diff_y = startpoint.y() - endpoint.y()
 
-        length = math.sqrt(diff_x**2 + diff_y**2)
+        length = max(math.sqrt(diff_x**2 + diff_y**2), 1.0)
 
         norm_x = diff_x / length
         norm_y = diff_y / length