Update subprocess module

Author: psykzz

Default (OSX).sublime-keymap

@@ -3,4 +3,4 @@
     "keys": ["ctrl+shift+q"],
     "command": "blame"
 }
-]
+]

git-blame.py

@@ -2,6 +2,7 @@
 import sublime_plugin
 import os
 import functools
+import subprocess
 from subprocess import check_output as shell