Fix crash with AST checkers when the syntax is invalid. Issue #160

2 files changed, 3 insertions, 1 deletions

diff --git a/CHANGES.txt b/CHANGES.txt
index 84c92af..a2decfb 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -7,6 +7,8 @@ Changelog
 
 * Hide the ``--doctest`` and ``--testsuite`` options when installed.
 
+* Fix crash with AST checkers when the syntax is invalid. (Issue #160)
+
 
 1.4.2 (2013-02-10)
 ------------------
diff --git a/pep8.py b/pep8.py
index 2aa0034..23de741 100755
--- a/pep8.py
+++ b/pep8.py
@@ -1221,7 +1221,7 @@ class Checker(object):
         offset = exc.args[1]
         if len(offset) > 2:
             offset = offset[1:3]
-        self.report_error(offset[0], offset[1],
+        self.report_error(offset[0], offset[1] or 0,
                           'E901 %s: %s' % (exc_type.__name__, exc.args[0]),
                           self.report_invalid_syntax)
     report_invalid_syntax.__doc__ = "    Check if the syntax is valid."