diff -dupr a/setup.py b/setup.py
--- a/setup.py	2021-05-29 19:21:13.876463476 +0200
+++ b/setup.py	2021-05-29 19:21:21.986626313 +0200
@@ -74,7 +74,7 @@ setup(
     author_email=__author_email__,
     url=__url__,
     license=__license__,
-    python_requires=">=3.6, ",
+    python_requires=">=3.6",
     install_requires=[
         'et_xmlfile',
         ],