prompt: We are currently solving the following issue within our repository. Here is the issue text:
  --- BEGIN ISSUE ---
  remove unused file from common
  Motivation
  ----------
  lib/rucio/common/client.py is probably unused and can be removed
  
  Modification
  ------------
  
  
  --- END ISSUE ---
  
  Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
  --- BEGIN FILES ---
  Path: `lib/rucio/common/client.py`
  Content:
  ```
  1 # Copyright European Organization for Nuclear Research (CERN)
  2 #
  3 # Licensed under the Apache License, Version 2.0 (the "License");
  4 # You may not use this file except in compliance with the License.
  5 # You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
  6 #
  7 # Authors:
  8 # - Vincent Garonne, <vincent.garonne@cern.ch>, 2012
  9 
  10 import httplib
  11 
  12 
  13 class BaseClient(object):
  14 
  15     """A base client class"""
  16 
  17     DEFAULT_PORT = 80
  18 
  19     OK_RESPONSE_CODES = (
  20         httplib.OK,
  21         httplib.CREATED,
  22         httplib.ACCEPTED,
  23         httplib.NO_CONTENT,
  24     )
  25 
  26     def __init__(self, host, port=None, use_ssl=False, auth_tok=None, creds=None):
  27         """
  28         Creates a new client to some service.
  29 
  30         :param host: The host where service resides
  31         :param port: The port where service resides
  32         :param use_ssl: Should we use HTTPS?
  33         :param auth_tok: The auth token to pass to the server
  34         :param creds: The credentials to pass to the auth plugin
  35         """
  36         self.host = host
  37         self.port = port or self.DEFAULT_PORT
  38         self.use_ssl = use_ssl
  39         self.auth_tok = auth_tok
  40         self.creds = creds or {}
  41         self.connection = None
  42
  ```
  --- 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/lib/rucio/common/client.py b/lib/rucio/common/client.py
  deleted file mode 100644
  --- a/lib/rucio/common/client.py
  +++ /dev/null
  @@ -1,41 +0,0 @@
  -# Copyright European Organization for Nuclear Research (CERN)
  -#
  -# Licensed under the Apache License, Version 2.0 (the "License");
  -# You may not use this file except in compliance with the License.
  -# You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
  -#
  -# Authors:
  -# - Vincent Garonne, <vincent.garonne@cern.ch>, 2012
  -
  -import httplib
  -
  -
  -class BaseClient(object):
  -
  -    """A base client class"""
  -
  -    DEFAULT_PORT = 80
  -
  -    OK_RESPONSE_CODES = (
  -        httplib.OK,
  -        httplib.CREATED,
  -        httplib.ACCEPTED,
  -        httplib.NO_CONTENT,
  -    )
  -
  -    def __init__(self, host, port=None, use_ssl=False, auth_tok=None, creds=None):
  -        """
  -        Creates a new client to some service.
  -
  -        :param host: The host where service resides
  -        :param port: The port where service resides
  -        :param use_ssl: Should we use HTTPS?
  -        :param auth_tok: The auth token to pass to the server
  -        :param creds: The credentials to pass to the auth plugin
  -        """
  -        self.host = host
  -        self.port = port or self.DEFAULT_PORT
  -        self.use_ssl = use_ssl
  -        self.auth_tok = auth_tok
  -        self.creds = creds or {}
  -        self.connection = None
  
verification_info: {"golden_diff": "diff --git a/lib/rucio/common/client.py b/lib/rucio/common/client.py\ndeleted file mode 100644\n--- a/lib/rucio/common/client.py\n+++ /dev/null\n@@ -1,41 +0,0 @@\n-# Copyright European Organization for Nuclear Research (CERN)\n-#\n-# Licensed under the Apache License, Version 2.0 (the \"License\");\n-# You may not use this file except in compliance with the License.\n-# You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0\n-#\n-# Authors:\n-# - Vincent Garonne, <vincent.garonne@cern.ch>, 2012\n-\n-import httplib\n-\n-\n-class BaseClient(object):\n-\n-    \"\"\"A base client class\"\"\"\n-\n-    DEFAULT_PORT = 80\n-\n-    OK_RESPONSE_CODES = (\n-        httplib.OK,\n-        httplib.CREATED,\n-        httplib.ACCEPTED,\n-        httplib.NO_CONTENT,\n-    )\n-\n-    def __init__(self, host, port=None, use_ssl=False, auth_tok=None, creds=None):\n-        \"\"\"\n-        Creates a new client to some service.\n-\n-        :param host: The host where service resides\n-        :param port: The port where service resides\n-        :param use_ssl: Should we use HTTPS?\n-        :param auth_tok: The auth token to pass to the server\n-        :param creds: The credentials to pass to the auth plugin\n-        \"\"\"\n-        self.host = host\n-        self.port = port or self.DEFAULT_PORT\n-        self.use_ssl = use_ssl\n-        self.auth_tok = auth_tok\n-        self.creds = creds or {}\n-        self.connection = None\n", "issue": "remove unused file from common\nMotivation\r\n----------\r\nlib/rucio/common/client.py is probably unused and can be removed\r\n\r\nModification\r\n------------\r\n\n", "before_files": [{"content": "# Copyright European Organization for Nuclear Research (CERN)\n#\n# Licensed under the Apache License, Version 2.0 (the \"License\");\n# You may not use this file except in compliance with the License.\n# You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0\n#\n# Authors:\n# - Vincent Garonne, <vincent.garonne@cern.ch>, 2012\n\nimport httplib\n\n\nclass BaseClient(object):\n\n    \"\"\"A base client class\"\"\"\n\n    DEFAULT_PORT = 80\n\n    OK_RESPONSE_CODES = (\n        httplib.OK,\n        httplib.CREATED,\n        httplib.ACCEPTED,\n        httplib.NO_CONTENT,\n    )\n\n    def __init__(self, host, port=None, use_ssl=False, auth_tok=None, creds=None):\n        \"\"\"\n        Creates a new client to some service.\n\n        :param host: The host where service resides\n        :param port: The port where service resides\n        :param use_ssl: Should we use HTTPS?\n        :param auth_tok: The auth token to pass to the server\n        :param creds: The credentials to pass to the auth plugin\n        \"\"\"\n        self.host = host\n        self.port = port or self.DEFAULT_PORT\n        self.use_ssl = use_ssl\n        self.auth_tok = auth_tok\n        self.creds = creds or {}\n        self.connection = None\n", "path": "lib/rucio/common/client.py"}], "after_files": [{"content": null, "path": "lib/rucio/common/client.py"}]}