Use underscores to separate words in filenames in webkitpy.

third_party/WebKit/Tools/Scripts/webkitpy/common/system/platform_info.py

 # Copyright (c) 2011 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 100 matching lines @@
                     # automatically performs a line feed.
                     return right - left
                 return sys.maxsize
             else:
                 import fcntl
                 import struct
                 import termios
                 packed = fcntl.ioctl(sys.stderr.fileno(), termios.TIOCGWINSZ, '\0' * 8)
                 _, columns, _, _ = struct.unpack('HHHH', packed)
                 return columns
-        except:
+        except Exception:  # pylint: disable=broad-except
             return sys.maxsize
 
     def linux_distribution(self):
         if not self.is_linux():
             return None
 
         if self._filesystem.exists('/etc/redhat-release'):
             return 'redhat'
         if self._filesystem.exists('/etc/debian_version'):
             return 'debian'
@@ skipping 32 matching lines @@
         if win_version_tuple[:2] == (6, 2):
             return '8'
         if win_version_tuple[:3] == (6, 1, 7601):
             return '7sp1'
         if win_version_tuple[:3] == (6, 1, 7600):
             return '7sp0'
         if win_version_tuple[:2] == (6, 0):
             return 'vista'
         if win_version_tuple[:2] == (5, 1):
             return 'xp'
-        assert (win_version_tuple[0] > 10 or
-                win_version_tuple[0] == 10 and win_version_tuple[1] > 0), (
-            'Unrecognized Windows version tuple: "%s"' % (win_version_tuple,))
+        assert (
+            win_version_tuple[0] > 10 or
+            win_version_tuple[0] == 10 and win_version_tuple[1] > 0), (
+                'Unrecognized Windows version tuple: "%s"' % (win_version_tuple,))
         return 'future'
 
     def _win_version_tuple(self, sys_module):
         if hasattr(sys_module, 'getwindowsversion'):
             return sys_module.getwindowsversion()
         return self._win_version_tuple_from_cmd()
 
     def _win_version_tuple_from_cmd(self):
         # Note that this should only ever be called on windows, so this should always work.
         ver_output = self._executive.run_command(['cmd', '/c', 'ver'], decode_output=False)
         match_object = re.search(r'(?P<major>\d+)\.(?P<minor>\d)\.(?P<build>\d+)', ver_output)
         assert match_object, 'cmd returned an unexpected version string: ' + ver_output
         return tuple(map(int, match_object.groups()))