Changed python_requires to use ">=" syntax (#780)

Closes #779

Author: ColinKennedy

ChangeLog

@@ -21,6 +21,10 @@ Release Date: TBA
   Close PyCQA/pylint#3540
   Close #773
 
+* Changed setup.py to work with [distlib](https://pypi.org/project/distlib)
+
+  Close #779
+
 
 What's New in astroid 2.4.0?
 ============================

setup.py

@@ -44,7 +44,7 @@ def install():
         author=author,
         author_email=author_email,
         url=web,
-        python_requires=">=3.5.*",
+        python_requires=">=3.5",
         install_requires=install_requires,
         extras_require=extras_require,
         packages=find_packages(exclude=["tests"]) + ["astroid.brain"],