In iter_source_code() include Python scripts without an extension
In iter_source_code() include Python scripts without an extension

A file starting with the line:

  #!/usr/bin/env python

Or

  #!/usr/bin/python

And other variations, are Python scripts and frequently do not have a
.py extension. These will now also be included by isort processing

PyCQA/isort,PyCQA/isort