fix: pin docutils version to avoid dependency version conflict
+# pin docutils at 0.15.2 to avoid transitive dependency conflict with botocore (requires < 0.16)
+docutils==0.15.2
sphinx==2.4.4
sphinx-argparse>=0.2.5
git+https://github.com/determined-ai/determined_sphinx_theme.git@3849905ea870226a4bd5b3731edf9771523cecf3
