python/docs/requirements.txt - third_party/github/protocolbuffers/protobuf - Git at Google

 googleapis-common-protos==1.56.1
 jinja2==3.1.6
 sphinx==3.0.4
 sphinx_rtd_theme==0.4.3
 sphinxcontrib-napoleon==0.7
	googleapis-common-protos==1.56.1
	jinja2==3.1.6
	sphinx==3.0.4
	sphinx_rtd_theme==0.4.3
	sphinxcontrib-napoleon==0.7