diff --git a/flake8/mccabe.py b/flake8/mccabe.py
index ec5118b..cb54cfe 100644
--- a/flake8/mccabe.py
+++ b/flake8/mccabe.py
@@ -182,7 +182,8 @@ def get_code_complexity(code, min=7, filename='stdin'):
     complex = []
     try:
         ast = parse(code)
-    except AttributeError as e:
+    except AttributeError:
+        e = sys.exc_info()[1]
         sys.stderr.write("Unable to parse %s: %s\n" % (filename, e))
         return 0
 
diff --git a/flake8/pyflakes.py b/flake8/pyflakes.py
index 00aa8fd..ec1b1d6 100644
--- a/flake8/pyflakes.py
+++ b/flake8/pyflakes.py
@@ -300,7 +300,7 @@ class Checker(object):
         finally:
             self.nodeDepth -= 1
         if self.traceTree:
-            print ('  ' * self.nodeDepth + 'end ' + node.__class__.__name__)
+            print('  ' * self.nodeDepth + 'end ' + node.__class__.__name__)
 
     def ignore(self, node):
         pass
diff --git a/flake8/run.py b/flake8/run.py
index a24807b..7fd5d48 100644
--- a/flake8/run.py
+++ b/flake8/run.py
@@ -60,7 +60,7 @@ def main():
 
 def _get_files(repo, **kwargs):
     seen = set()
-    for rev in xrange(repo[kwargs['node']], len(repo)):
+    for rev in range(repo[kwargs['node']], len(repo)):
         for file_ in repo[rev].files():
             file_ = os.path.join(repo.root, file_)
             if file_ in seen or not os.path.exists(file_):