prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  secr.middleware.dbquery.QueryCountDebugMiddleware is unused.
  Is this still needed in the source tree? Can it be removed?
  cc @rpcross
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `ietf/secr/middleware/dbquery.py`
  Content:
  ```
  1 # Copyright The IETF Trust 2014-2019, All Rights Reserved
  2 #import logging
  3 
  4 from django.db import connection
  5 from django.utils.log import getLogger  # type: ignore
  6 
  7 
  8 logger = getLogger(__name__)
  9 #logger.setLevel(logging.DEBUG)
  10 #logger.addHandler(logging.FileHandler(settings.SECR_LOG_FILE))
  11 
  12 class QueryCountDebugMiddleware(object):
  13     """
  14     This middleware will log the number of queries run
  15     and the total time taken for each request (with a
  16     status code of 200). It does not currently support
  17     multi-db setups.
  18     """
  19     def process_response(self, request, response):
  20         #assert False, request.path
  21         logger.debug('called middleware. %s:%s' % (request.path,len(connection.queries)))
  22         if response.status_code == 200:
  23             total_time = 0
  24             #for query in connection.queries:
  25             #    query_time = query.get('time')
  26             #    if query_time is None:
  27                     # django-debug-toolbar monkeypatches the connection
  28                     # cursor wrapper and adds extra information in each
  29                     # item in connection.queries. The query time is stored
  30                     # under the key "duration" rather than "time" and is
  31                     # in milliseconds, not seconds.
  32             #        query_time = query.get('duration', 0) / 1000
  33             #    total_time += float(query_time)
  34             logger.debug('%s: %s queries run, total %s seconds' % (request.path,len(connection.queries), total_time))
  35         return response
  36
  ```
  --- END FILES ---
  
  Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.
  
  Here is an example:
  
  ```diff
  diff --git a/examples/server_async.py b/examples/server_async.py
  --- a/examples/server_async.py
  +++ b/examples/server_async.py
  @@ -313,4 +313,4 @@
   
   
   if __name__ == "__main__":
  -    asyncio.run(run_async_server("."), debug=True)
  +    asyncio.run(run_async_server(), debug=True)
  diff --git a/examples/server_sync.py b/examples/server_sync.py
  --- a/examples/server_sync.py
  +++ b/examples/server_sync.py
  @@ -313,5 +313,5 @@
   
   
   if __name__ == "__main__":
  -    server = run_sync_server(".")
  +    server = run_sync_server()
       server.shutdown()
  
  ```
  
golden_diff: diff --git a/ietf/secr/middleware/dbquery.py b/ietf/secr/middleware/dbquery.py
  deleted file mode 100644
  --- a/ietf/secr/middleware/dbquery.py
  +++ /dev/null
  @@ -1,35 +0,0 @@
  -# Copyright The IETF Trust 2014-2019, All Rights Reserved
  -#import logging
  -
  -from django.db import connection
  -from django.utils.log import getLogger  # type: ignore
  -
  -
  -logger = getLogger(__name__)
  -#logger.setLevel(logging.DEBUG)
  -#logger.addHandler(logging.FileHandler(settings.SECR_LOG_FILE))
  -
  -class QueryCountDebugMiddleware(object):
  -    """
  -    This middleware will log the number of queries run
  -    and the total time taken for each request (with a
  -    status code of 200). It does not currently support
  -    multi-db setups.
  -    """
  -    def process_response(self, request, response):
  -        #assert False, request.path
  -        logger.debug('called middleware. %s:%s' % (request.path,len(connection.queries)))
  -        if response.status_code == 200:
  -            total_time = 0
  -            #for query in connection.queries:
  -            #    query_time = query.get('time')
  -            #    if query_time is None:
  -                    # django-debug-toolbar monkeypatches the connection
  -                    # cursor wrapper and adds extra information in each
  -                    # item in connection.queries. The query time is stored
  -                    # under the key "duration" rather than "time" and is
  -                    # in milliseconds, not seconds.
  -            #        query_time = query.get('duration', 0) / 1000
  -            #    total_time += float(query_time)
  -            logger.debug('%s: %s queries run, total %s seconds' % (request.path,len(connection.queries), total_time))
  -        return response
  
verification_info: {"golden_diff": "diff --git a/ietf/secr/middleware/dbquery.py b/ietf/secr/middleware/dbquery.py\ndeleted file mode 100644\n--- a/ietf/secr/middleware/dbquery.py\n+++ /dev/null\n@@ -1,35 +0,0 @@\n-# Copyright The IETF Trust 2014-2019, All Rights Reserved\n-#import logging\n-\n-from django.db import connection\n-from django.utils.log import getLogger  # type: ignore\n-\n-\n-logger = getLogger(__name__)\n-#logger.setLevel(logging.DEBUG)\n-#logger.addHandler(logging.FileHandler(settings.SECR_LOG_FILE))\n-\n-class QueryCountDebugMiddleware(object):\n-    \"\"\"\n-    This middleware will log the number of queries run\n-    and the total time taken for each request (with a\n-    status code of 200). It does not currently support\n-    multi-db setups.\n-    \"\"\"\n-    def process_response(self, request, response):\n-        #assert False, request.path\n-        logger.debug('called middleware. %s:%s' % (request.path,len(connection.queries)))\n-        if response.status_code == 200:\n-            total_time = 0\n-            #for query in connection.queries:\n-            #    query_time = query.get('time')\n-            #    if query_time is None:\n-                    # django-debug-toolbar monkeypatches the connection\n-                    # cursor wrapper and adds extra information in each\n-                    # item in connection.queries. The query time is stored\n-                    # under the key \"duration\" rather than \"time\" and is\n-                    # in milliseconds, not seconds.\n-            #        query_time = query.get('duration', 0) / 1000\n-            #    total_time += float(query_time)\n-            logger.debug('%s: %s queries run, total %s seconds' % (request.path,len(connection.queries), total_time))\n-        return response\n", "issue": "secr.middleware.dbquery.QueryCountDebugMiddleware is unused.\nIs this still needed in the source tree? Can it be removed?\r\ncc @rpcross\n", "before_files": [{"content": "# Copyright The IETF Trust 2014-2019, All Rights Reserved\n#import logging\n\nfrom django.db import connection\nfrom django.utils.log import getLogger  # type: ignore\n\n\nlogger = getLogger(__name__)\n#logger.setLevel(logging.DEBUG)\n#logger.addHandler(logging.FileHandler(settings.SECR_LOG_FILE))\n\nclass QueryCountDebugMiddleware(object):\n    \"\"\"\n    This middleware will log the number of queries run\n    and the total time taken for each request (with a\n    status code of 200). It does not currently support\n    multi-db setups.\n    \"\"\"\n    def process_response(self, request, response):\n        #assert False, request.path\n        logger.debug('called middleware. %s:%s' % (request.path,len(connection.queries)))\n        if response.status_code == 200:\n            total_time = 0\n            #for query in connection.queries:\n            #    query_time = query.get('time')\n            #    if query_time is None:\n                    # django-debug-toolbar monkeypatches the connection\n                    # cursor wrapper and adds extra information in each\n                    # item in connection.queries. The query time is stored\n                    # under the key \"duration\" rather than \"time\" and is\n                    # in milliseconds, not seconds.\n            #        query_time = query.get('duration', 0) / 1000\n            #    total_time += float(query_time)\n            logger.debug('%s: %s queries run, total %s seconds' % (request.path,len(connection.queries), total_time))\n        return response\n", "path": "ietf/secr/middleware/dbquery.py"}], "after_files": [{"content": null, "path": "ietf/secr/middleware/dbquery.py"}]}