Update conf.py

doc/conf.py

@@ -30,7 +30,7 @@
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
-extensions = ["sphinx_rtd_theme",'sphinx.ext.intersphinx','nbsphinx']
+extensions = ["sphinx_rtd_theme",'sphinx.ext.intersphinx']
 # "myst_parser" removed as myst_nb automatically activates it
 
 # Add any paths that contain templates here, relative to this directory.