Update conf.py
Update documentation conf.y for readthedocs compatibility.
@@ -66,7 +66,7 @@ html_theme = 'sphinx_rtd_theme'
html_static_path = ['_static']
# make sure things will work with readthedocs
-autodoc_mock_imports = ["ray"]
+autodoc_mock_imports = ["ray","tensorflow"]
master_doc = 'index'
autodoc_member_order = 'bysource'
