pocket-lint does not catch unindent exception during tokenize

[Edwin Grubbs]

Pocketlint reports an indentation error just fine, but an unindentation error is an uncaught exception.

Traceback (most recent call last):
  File "<string>", line 24, in <module>
  File "<string>", line 34, in check
  File "/usr/lib/pymodules/python2.6/pocketlint/formatcheck.py", line 234, in check
    PythonChecker(self.file_path, self.text, self._reporter).check()
  File "/usr/lib/pymodules/python2.6/pocketlint/formatcheck.py", line 375, in check
    self.check_pep8()
  File "/usr/lib/pymodules/python2.6/pocketlint/formatcheck.py", line 404, in check_pep8
    pep8.Checker(self.file_path).check_all()
  File "/usr/lib/pymodules/python2.6/pocketlint/contrib/pep8.py", line 620, in check_all
    for token in tokenize.generate_tokens(self.readline_check_physical):
  File "/usr/lib/python2.6/tokenize.py", line 346, in generate_tokens
    ("<tokenize>", lnum, pos, line))
  File "<tokenize>", line 9
    x = one
    ^
IndentationError: unindent does not match any outer indentation level

You can trigger this with the following code:

class Foo:
    def one():
>>>>>>>>>>>>>>>>>
        pass

    x = one