[py] adding post1 to the setup file due to a build mistake

Cr-Mirrored-From: https://chromium.googlesource.com/external/github.com/SeleniumHQ/selenium
Cr-Mirrored-Commit: 5816be619873e9d9dac5d987b0e62727ea6a0805
diff --git a/setup.py b/setup.py
index 84cf34f..c98f5cf 100755
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,7 @@
 setup_args = {
     'cmdclass': {'install': install},
     'name': 'selenium',
-    'version': "4.0.0a6",
+    'version': "4.0.0a6post1",
     'license': 'Apache 2.0',
     'description': 'Python bindings for Selenium',
     'long_description': open(join(abspath(dirname(__file__)), "README.rst")).read(),