Skip undefined lasso select (#4437)

holoviz · May 27, 2020 · b31f6ba · b31f6ba
1 parent 2ffdcdc
commit b31f6ba
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/holoviews/plotting/bokeh/callbacks.py b/holoviews/plotting/bokeh/callbacks.py
@@ -1059,6 +1059,8 @@ def _process_msg(self, msg):
         if isinstance(ys, dict):
             ys = ((int(i), y) for i, y in ys.items())
             ys = [y for _, y in sorted(ys)]
+        if xs is None or ys is None:
+            return {}
         return {'geometry': np.column_stack([xs, ys])}