Issue 5844 - Remove redundant parentheses in sitescripts and abpsembly

sitescripts/crashes/web/submitCrash.py

 # This file is part of the Adblock Plus web scripts,
 # Copyright (C) 2006-present eyeo GmbH
 #
 # Adblock Plus is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License version 3 as
 # published by the Free Software Foundation.
 #
 # Adblock Plus is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
@@ skipping 22 matching lines @@
         return showError('Unsupported request method', start_response)
 
     params = parse_qs(environ.get('QUERY_STRING', ''))
 
     requestVersion = params.get('version', ['0'])[0]
     if requestVersion != '1':
         return showError('Unsupported request version', start_response)
 
     try:
         request_body_size = int(environ.get('CONTENT_LENGTH', 0))
-    except (ValueError):
+    except ValueError:
         return showError('No content', start_response)
 
     dir = get_config().get('crashes', 'dataPath')
     if not os.path.exists(dir):
         os.makedirs(dir)
 
     filename = None
     try:
         fd, filename = mkstemp('.xml.tmp', 'crash_', dir)
         file = os.fdopen(fd, 'wb')
         file.write(environ['wsgi.input'].read(request_body_size))
         file.close()
         os.rename(filename, os.path.splitext(filename)[0])
     except Exception as e:
         if filename != None and os.path.isfile(filename):
             os.remove(filename)
         raise e
 
     start_response('200 Ok', [('Content-Type', 'text/plain; charset=utf-8')])
     return ['saved'.encode('utf-8')]
 
 
 def showError(message, start_response):
     start_response('400 Processing Error', [('Content-Type', 'text/plain; charset=utf-8')])
     return [message.encode('utf-8')]