fix (mne-tools#10290)

teonbrooks · Feb 2, 2022 · 1938027 · 1938027
1 parent d694c74
commit 1938027
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/mne/viz/backends/_notebook.py b/mne/viz/backends/_notebook.py
@@ -33,9 +33,10 @@ def _layout_add_widget(self, layout, widget, stretch=0):
         # Fix columns
         if self._layout_max_width is not None and isinstance(widget, HBox):
             children = widget.children
-            width = int(self._layout_max_width / len(children))
-            for child in children:
-                child.layout.width = f"{width}px"
+            if len(children) > 0:
+                width = int(self._layout_max_width / len(children))
+                for child in children:
+                    child.layout.width = f"{width}px"
 
 
 class _IpyDock(_AbstractDock, _IpyLayout):