jedcunningham commented on a change in pull request #17757:
URL: https://github.com/apache/airflow/pull/17757#discussion_r694945287
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File path: docs/apache-airflow/modules_management.rst
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@@ -68,99 +81,192 @@ In the next section, you will learn how to create your own
simple
installable package and how to specify additional directories to be added
to ``sys.path`` using the environment variable :envvar:`PYTHONPATH`.
+If you want to import some packages from a directory that is added to
``PYTHONPATH`` you should import
+it following the full Python path of the files. All directories where you put
your files have to also
+have an empty ``__init__.py`` file which turns it into Python package. Take as
an example such structure
Review comment:
Thanks for the detailed response @potiuk, TIL. I knew about (some of)
the nuances with `find_namespaces_packages` vs `find_packages`, but the
performance advantage is a great reason. I'm happy for us to encourage and show
examples of "classic" packages. For the sake of sanity is also a really good
argument :)
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