Merge pull request #1318 from fastai/hamelsmu-patch-1

pin ipywidgets version

Author: jph00

settings.ini

@@ -15,7 +15,7 @@ language = English
 custom_sidebar = True
 license = apache2
 status = 2
-requirements = fastcore>=1.5.27 execnb>=0.1.4 astunparse ghapi>=1.0.3 watchdog asttokens
+requirements = ipywidgets<=8.0.4 fastcore>=1.5.27 execnb>=0.1.4 astunparse ghapi>=1.0.3 watchdog asttokens
 pip_requirements = PyYAML
 conda_requirements = pyyaml
 conda_user = fastai