A problem occurred in a Python script.  Here is the sequence of
function calls leading up to the error, in the order they occurred.
| /usr/lib/python2.7/dist-packages/flup/server/fcgi_base.py in handler(self=<flup.server.fcgi.WSGIServer object>, req=<flup.server.fcgi_base.Request object>) | 
| 1116         try: 
 | 
| 1117             try: 
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| => 1118                 result = self.application(environ, start_response) 
 | 
| 1119                 try: 
 | 
| 1120                     for data in result: 
 | 
| result = None, self = <flup.server.fcgi.WSGIServer object>, self.application = <werkzeug.wsgi.SharedDataMiddleware object>, environ = {'CONTENT_LENGTH': '0', 'CONTEXT_DOCUMENT_ROOT': '/usr/share/moin/server/moin.fcgi/', 'CONTEXT_PREFIX': '/', 'DOCUMENT_ROOT': '/webspace/wiki.libsdl.org', 'GATEWAY_INTERFACE': 'CGI/1.1', 'HTTP_CONNECTION': 'close', 'HTTP_FROM': 'crawler@alexa.com', 'HTTP_HOST': 'wiki.libsdl.org', 'HTTP_USER_AGENT': 'ia_archiver', 'PATH': '/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin', ...}, start_response = <function start_response> | 
| /usr/lib/python2.7/dist-packages/werkzeug/wsgi.py in __call__(self=<werkzeug.wsgi.SharedDataMiddleware object>, environ={'CONTENT_LENGTH': '0', 'CONTEXT_DOCUMENT_ROOT': '/usr/share/moin/server/moin.fcgi/', 'CONTEXT_PREFIX': '/', 'DOCUMENT_ROOT': '/webspace/wiki.libsdl.org', 'GATEWAY_INTERFACE': 'CGI/1.1', 'HTTP_CONNECTION': 'close', 'HTTP_FROM': 'crawler@alexa.com', 'HTTP_HOST': 'wiki.libsdl.org', 'HTTP_USER_AGENT': 'ia_archiver', 'PATH': '/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin', ...}, start_response=<function start_response>) | 
| 589                     break 
 | 
| 590         if file_loader is None or not self.is_allowed(real_filename): 
 | 
| =>  591             return self.app(environ, start_response) 
 | 
| 592 
 | 
| 593         guessed_type = mimetypes.guess_type(real_filename) 
 | 
| self = <werkzeug.wsgi.SharedDataMiddleware object>, self.app = <MoinMoin.wsgiapp.Application object>, environ = {'CONTENT_LENGTH': '0', 'CONTEXT_DOCUMENT_ROOT': '/usr/share/moin/server/moin.fcgi/', 'CONTEXT_PREFIX': '/', 'DOCUMENT_ROOT': '/webspace/wiki.libsdl.org', 'GATEWAY_INTERFACE': 'CGI/1.1', 'HTTP_CONNECTION': 'close', 'HTTP_FROM': 'crawler@alexa.com', 'HTTP_HOST': 'wiki.libsdl.org', 'HTTP_USER_AGENT': 'ia_archiver', 'PATH': '/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin', ...}, start_response = <function start_response> | 
| /usr/lib/python2.7/dist-packages/MoinMoin/wsgiapp.py in __call__(self=<MoinMoin.wsgiapp.Application object>, environ={'CONTENT_LENGTH': '0', 'CONTEXT_DOCUMENT_ROOT': '/usr/share/moin/server/moin.fcgi/', 'CONTEXT_PREFIX': '/', 'DOCUMENT_ROOT': '/webspace/wiki.libsdl.org', 'GATEWAY_INTERFACE': 'CGI/1.1', 'HTTP_CONNECTION': 'close', 'HTTP_FROM': 'crawler@alexa.com', 'HTTP_HOST': 'wiki.libsdl.org', 'HTTP_USER_AGENT': 'ia_archiver', 'PATH': '/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin', ...}, start_response=<function start_response>) | 
| 262             context = init(request) 
 | 
| 263             try: 
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| =>  264                 response = run(context) 
 | 
| 265             finally: 
 | 
| 266                 context.clock.stop('total') 
 | 
| response undefined, global run = <function run>, context = <AllContext ['AllContext']> | 
| /usr/lib/python2.7/dist-packages/MoinMoin/web/utils.py in check_surge_protect(request=<AllContext ['AllContext']>, kick=False, action='show', username=None) | 
| 141                     data.append("%s\t%d\t%s\t%s" % (id, t, action, surge_indicator)) 
 | 
| 142         data = "\n".join(data) 
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| =>  143         cache.update(data) 
 | 
| 144     except StandardError: 
 | 
| 145         pass 
 | 
| cache = <MoinMoin.caching.CacheEntry instance>, cache.update = <bound method CacheEntry.update of <MoinMoin.caching.CacheEntry instance>>, data = '54.165.59.7\t1521006396\tall\t\n54.165.59.7\t1521006396\tshow\t' |