Run format-webkit on webkitpy code (without string conversion).

third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/port_testcase.py

Index: third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/port_testcase.py
diff --git a/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/port_testcase.py b/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/port_testcase.py
index 2678701145f43a0a83dad191602ccfaee9206805..84a66f3881ec4feb25e015d90ac2b09c1ef7e91f 100644
--- a/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/port_testcase.py
+++ b/third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/port_testcase.py
@@ -78,6 +78,7 @@ class FakePrinter(object):
 
 
 class PortTestCase(unittest.TestCase):
+
     """Tests that all Port implementations must pass."""
     HTTP_PORTS = (8000, 8080, 8443)
     WEBSOCKET_PORTS = (8880,)
@@ -173,7 +174,7 @@ class PortTestCase(unittest.TestCase):
                 test_socket = socket.socket()
                 test_socket.connect((host, port))
                 self.fail()
-            except IOError, e:
+            except IOError as e:
                 self.assertTrue(e.errno in (errno.ECONNREFUSED, errno.ECONNRESET))
             finally:
                 test_socket.close()
@@ -183,7 +184,7 @@ class PortTestCase(unittest.TestCase):
             try:
                 test_socket = socket.socket()
                 test_socket.connect((host, port))
-            except IOError, e:
+            except IOError as e:
                 self.fail('failed to connect to %s:%d' % (host, port))
             finally:
                 test_socket.close()
@@ -232,7 +233,7 @@ class PortTestCase(unittest.TestCase):
         exception_raised = False
         try:
             port.diff_image("EXPECTED", "ACTUAL")
-        except ValueError, e:
+        except ValueError as e:
             exception_raised = True
         self.assertFalse(exception_raised)