Remove test code for Python 2

Author: adamtheturtle

tests/test_common.py

@@ -4,7 +4,6 @@
 import collections
 import logging
 import os.path
-import sys
 
 import pytest
 import pretend
@@ -100,10 +99,6 @@ def test_find_imported_modules(monkeypatch, caplog, ignore_ham, ignore_hashlib,
     monkeypatch.setattr(common, 'pyfiles',
                         pretend.call_recorder(lambda x: ['spam.py', 'ham.py']))
 
-    if sys.version_info[0] == 2:
-        # py2 will find sys module but py3k won't
-        expect.append('sys')
-
     class FakeFile():
         contents = [
             'from os import path\nimport ast, hashlib',