Import things from os.path to make setup.py more readable

Author: mindw

setup.py

@@ -1,7 +1,7 @@
 import ast
-import os
 import codecs
 
+from os.path import join, dirname
 from setuptools import setup, find_packages
 
 
@@ -22,9 +22,9 @@
     'Topic :: Text Processing :: Markup :: HTML'
     ]
 
-current_dir = os.path.dirname(__file__)
-with codecs.open(os.path.join(current_dir, 'README.rst'), 'r', 'utf8') as readme_file:
-    with codecs.open(os.path.join(current_dir, 'CHANGES.rst'), 'r', 'utf8') as changes_file:
+here = dirname(__file__)
+with codecs.open(join(here, 'README.rst'), 'r', 'utf8') as readme_file:
+    with codecs.open(join(here, 'CHANGES.rst'), 'r', 'utf8') as changes_file:
         long_description = readme_file.read() + '\n' + changes_file.read()
 
 version = None