Fixed import of unavailable sphinx_reload during setup #11
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The
import sphinx_reloadin setup.py causes several problems:sphinx_reloadbecomes a build requirement as well; when I dopip install -e .for example, I'm hit with aModuleNotFoundErroron the third-party import statements insphinx_reload.py:import livereloadsphinx_reloadmodule isn't necesarily available on the path, or it might discover another installedsphinx_reload, messing with the__version__detection.This PR adresses these issues by instead scanning the module line by line for a
__version__declaration, and evaluates the right hand side of the assignment statement, without importing it (1) and always finding the same file relative tosetup.py(2)