futurize adds standard_library.install_aliases() above shebang

[andersk]

RefactoringTool: Skipping optional fixer: idioms
RefactoringTool: Skipping optional fixer: ws_comma
RefactoringTool: Refactored test.py
--- test.py	(original)
+++ test.py	(refactored)
@@ -1,3 +1,5 @@
+from future import standard_library
+standard_library.install_aliases()
 #!/usr/bin/env python
 
-import urllib2
+import urllib.request, urllib.error, urllib.parse
RefactoringTool: Files that need to be modified:
RefactoringTool: test.py

Seems like another instance of #43.