commit 66a8d1bc88f99a05349099e1121ef1f57856cded
Author: John Vandenberg <jayvdb@gmail.com>
Date:   Sun Sep 13 10:45:51 2020 +0700

    Remove test modules from runtime distribution

Index: pypng-0.0.20/setup.py
===================================================================
--- pypng-0.0.20.orig/setup.py
+++ pypng-0.0.20/setup.py
@@ -40,7 +40,7 @@ https://pypng.readthedocs.io/en/latest/
     author_email='drj@pobox.com',
     url='https://github.com/drj11/pypng',
     package_dir={'': 'code'},
-    py_modules=['png', 'test_png', 'pngsuite'],
+    py_modules=['png'],
     scripts=[
         "code/prichunkpng",
         "code/priforgepng",