Added support for "not installed" message in apt_get

thefuck/rules/apt_get.py

@@ -1,6 +1,7 @@
 from thefuck.specific.apt import apt_available
 from thefuck.utils import memoize, which
 from thefuck.shells import shell
+from pprint import pprint
 
 try:
     from CommandNotFound import CommandNotFound
@@ -29,7 +30,7 @@ def get_package(executable):
 
 
 def match(command):
-    if 'not found' in command.stderr:
+    if 'not found' in command.stderr or 'not installed' in command.stderr:
         executable = _get_executable(command)
         return not which(executable) and get_package(executable)
     else: