Fixed bug where properties couldn't be set on model till model was shown

13 years ago · cb7eb8354f
parent dde9018ab3
commit cb7eb8354f
1 changed files with 1 additions and 1 deletions
--- a/IPython/html/widgets/widget.py
+++ b/IPython/html/widgets/widget.py
@ -115,7 +115,7 @@ class Widget(LoggingConfigurable):
    
    
    def _handle_property_changed(self, name, old, new):
-        if not self._property_lock:
+        if not self._property_lock and self.comm is not None:
            # TODO: Validate properties.
            # Send new state to frontend
            self.send_state()