apply pyfmt with usort to opted-in sources

Reviewed By: zertosh

Differential Revision: D24880203

fbshipit-source-id: 2034cdfc2712209e86d3d05c119c58f979b05c52

build/fbcode_builder/getdeps/fetcher.py

@@ -28,8 +28,8 @@ from .runcmd import run_cmd
 
 
 try:
-    from urlparse import urlparse
     from urllib import urlretrieve
+    from urlparse import urlparse
 except ImportError:
     from urllib.parse import urlparse
     from urllib.request import urlretrieve