Set sphinx module path (#516)

Sphinx module path should be set to "../src" not ".." for autodoc to
work locally when typing "make html" from the "docs" folder. If not,
sphinx-build might use a source file from pytest-qt installed in
site-packages outside the git repo.

Author: hakonhagland

docs/conf.py

@@ -16,7 +16,7 @@
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
-sys.path.insert(0, os.path.abspath(".."))
+sys.path.insert(0, os.path.abspath("../src"))
 
 # -- General configuration -----------------------------------------------------