Unable to authenticate Odoo8 db wirh XMLRPC in Odoo14 - odoo-8

Question

I am trying this simple code and below error comes while getting uid
url = 'http://localhost:8071'
db = "db8aaa_19sep22"
username = "admin"
password = "Admin#347"
common = xmlrpc.client.ServerProxy('{}/xmlrpc/2/common'.format(url))
common.version()
uid = common.authenticate(db, username, password, {})
Getting below error
File "/home/oem/odoo/odoo-14/odoo/addons/base/models/ir_http.py", line 237, in _dispatch
result = request.dispatch()
File "/home/oem/odoo/odoo-14/odoo/http.py", line 684, in dispatch
result = self._call_function(**self.params)
File "/home/oem/odoo/odoo-14/odoo/http.py", line 360, in _call_function
return checked_call(self.db, *args, **kwargs)
File "/home/oem/odoo/odoo-14/odoo/service/model.py", line 94, in wrapper
return f(dbname, *args, **kwargs)
File "/home/oem/odoo/odoo-14/odoo/http.py", line 348, in checked_call
result = self.endpoint(*a, **kw)
File "/home/oem/odoo/odoo-14/odoo/http.py", line 913, in __call__
return self.method(*args, **kw)
File "/home/oem/odoo/odoo-14/odoo/http.py", line 532, in response_wrap
response = f(*args, **kw)
File "/home/oem/odoo/odoo-14/odoo/addons/web/controllers/main.py", line 1393, in call_button
action = self._call_kw(model, method, args, kwargs)
File "/home/oem/odoo/odoo-14/odoo/addons/web/controllers/main.py", line 1381, in _call_kw
return call_kw(request.env[model], method, args, kwargs)
File "/home/oem/odoo/odoo-14/odoo/api.py", line 396, in call_kw
result = _call_kw_multi(method, model, args, kwargs)
File "/home/oem/odoo/odoo-14/odoo/api.py", line 383, in _call_kw_multi
result = method(recs, *args, **kwargs)
File "/home/oem/odoo/14foraaa/migration_scripts/model/leads.py", line 55, in get_leads_rpc
uid = common.authenticate(db, username, password, {})
File "/usr/lib/python3.7/xmlrpc/client.py", line 1112, in __call__
return self.__send(self.__name, args)
File "/usr/lib/python3.7/xmlrpc/client.py", line 1452, in __request
verbose=self.__verbose
File "/usr/lib/python3.7/xmlrpc/client.py", line 1154, in request
return self.single_request(host, handler, request_body, verbose)
File "/usr/lib/python3.7/xmlrpc/client.py", line 1170, in single_request
return self.parse_response(resp)
File "/usr/lib/python3.7/xmlrpc/client.py", line 1342, in parse_response
return u.close()
File "/usr/lib/python3.7/xmlrpc/client.py", line 656, in close
raise Fault(**self._stack[0])
Exception
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/home/oem/odoo/odoo-14/odoo/http.py", line 640, in _handle_exception
return super(JsonRequest, self)._handle_exception(exception)
File "/home/oem/odoo/odoo-14/odoo/http.py", line 316, in _handle_exception
raise exception.with_traceback(None) from new_cause
xmlrpc.client.Fault: <Fault 1: 'Traceback (most recent call last):\n File "/opt/odoo/openerp/service/wsgi_server.py", line 75, in xmlrpc_return\n result = openerp.http.dispatch_rpc(service, method, params)\n File "/opt/odoo/openerp/http.py", line 115, in dispatch_rpc\n result = dispatch(method, params)\n File "/opt/odoo/openerp/service/common.py", line 26, in dispatch\n return fn(*params)\n File "/opt/odoo/openerp/service/common.py", line 38, in exp_authenticate\n return res_users.authenticate(db, login, password, user_agent_env)\n File "/opt/odoo/openerp/addons/user_logs/users.py", line 26, in authenticate\n uid = super(res_users, self).authenticate(db, login, password, user_agent_env)\n File "/opt/odoo/openerp/addons/base/res/res_users.py", line 464, in authenticate\n uid = self._login(db, login, password)\n File "/opt/odoo/openerp/addons/base/res/res_users.py", line 427, in _login\n self.check_credentials(cr, user_id, password)\n File "/opt/odoo/openerp/api.py", line 268, in wrapper\n return old_api(self, *args, **kwargs)\n File "/opt/odoo/openerp/api.py", line 372, in old_api\n result = method(recs, *args, **kwargs)\n File "/opt/odoo/openerp/addons/otp_auth/models/res_users.py", line 24, in check_credentials\n totp = request.session.get(\'otploginobj\')\n File "/usr/local/lib/python2.7/dist-packages/werkzeug/local.py", line 338, in __getattr__\n return getattr(self._get_current_object(), name)\n File "/usr/local/lib/python2.7/dist-packages/werkzeug/local.py", line 297, in _get_current_object\n return self.__local()\n File "/usr/local/lib/python2.7/dist-packages/werkzeug/local.py", line 132, in _lookup\n raise RuntimeError(\'object unbound\')\nRuntimeError: object unbound\n'>```