Backward compat

jupyter-widgets · Feb 10, 2023 · fb1aa4d · fb1aa4d
1 parent 4b16152
commit fb1aa4d
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Showing 2 changed files with 14 additions and 2 deletions.
diff --git a/python/ipywidgets/ipywidgets/__init__.py b/python/ipywidgets/ipywidgets/__init__.py
@@ -23,7 +23,13 @@
 import os
 
 from traitlets import link, dlink
-from comm import get_comm_manager
+try:
+    from comm import get_comm_manager
+except ImportError:
+    def get_comm_manager():
+        from IPython import get_ipython
+
+        return get_ipython().kernel.comm_manager
 
 from .widgets import *
 

diff --git a/python/ipywidgets/ipywidgets/widgets/widget.py b/python/ipywidgets/ipywidgets/widgets/widget.py
@@ -10,7 +10,13 @@
 from contextlib import contextmanager
 from collections.abc import Iterable
 from IPython import get_ipython
-from comm import create_comm
+try:
+    from comm import create_comm
+except ImportError:
+    from ipykernel.comm import Comm
+
+    def create_comm(**kwargs):
+        return Comm(**kwargs)
 from traitlets import (
     Any, HasTraits, Unicode, Dict, Instance, List, Int, Set, Bytes, observe, default, Container,
     Undefined)