Is it necessary to specify requirements of notebook

[zyxue]

I see you only specified requirement("notebook"), I wonder if it's necessary to specify the dependencies/requirements of notebook in `deps, too?
https://github.com/michael-quinlan/jupyter-bazel/blob/master/notebooks/BUILD#L8

[michael-quinlan]

Yes any additional deps you have need to be specified.

[zyxue]

Is this considered a bug, as bazel doc explicitly says

What this means for BUILD file writers is that every rule must explicitly declare all of its actual direct dependencies to the build system, and no more.

[smamessier]

@zyxue This is indeed a bug of the rules_python repo (See this PR that proposes a temporary solution: bazelbuild/rules_python#198)