Linting top-level submodules in the yt namespace
Linting top-level submodules in the yt namespace

This also brings in several other files outside of the top-level namespace due
to transitive import issues. We now make an effort to import symbols from the
files where the symbol is defined rather than transitively importing symbols,
particularly via "import *"

--HG--
branch : yt

yt-project/unyt