Fix divide by zero issues on Trend indicator (#2148)

holoviz · Apr 8, 2021 · 56ce69c · 56ce69c
1 parent 31b5350
commit 56ce69c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/panel/widgets/indicators.py b/panel/widgets/indicators.py
@@ -647,7 +647,7 @@ def _process_param_change(self, msg):
         if 'value_change' in msg and msg['value_change'] == 'auto':
             if len(ys) > 1:
                 y1, y2 = self._data.get(self.plot_y)[-2:]
-                msg['value_change'] = y2/y1 - 1
+                msg['value_change'] = 0 if y1 == 0 else (y2/y1 - 1)
             else:
                 msg['value_change'] = 0
         return msg