use tokenizer instead of tokenize in all modules

jedi/common.py

@@ -2,7 +2,7 @@
 import sys
 import contextlib
 import functools
-import tokenize
+import tokenizer as tokenize
 
 from jedi._compatibility import next, reraise
 from jedi import debug

jedi/modules.py

@@ -16,7 +16,7 @@ Apart from those classes there's a ``sys.path`` fetching function, as well as
 from __future__ import with_statement
 
 import re
-import tokenize
+import tokenizer as tokenize
 import sys
 import os
 

jedi/parsing.py

@@ -17,7 +17,7 @@ complexity of the ``Parser`` (there's another parser sitting inside
 """
 from __future__ import with_statement
 
-import tokenize
+import tokenizer as tokenize
 import keyword
 
 from jedi._compatibility import next, StringIO

jedi/parsing_representation.py

@@ -38,7 +38,7 @@ from __future__ import with_statement
 
 import os
 import re
-import tokenize
+import tokenizer as tokenize
 
 from jedi._compatibility import next, literal_eval, cleandoc, Python3Method, \
                             encoding, property, unicode, is_py3k