fedora 33 authentication failure

[schaffung]

When trying to run the example script to run a remote command from fedora 34 system to fedora 33 system, following traceback is received

Traceback (most recent call last):
  File "/home/ssivakum/gitrepos/odinControl/example.py", line 6, in <module>
    odc.establish_connection()
  File "/home/ssivakum/gitrepos/odinControl/odin.py", line 53, in establish_connection
    self.connect_node(node, timeout)
  File "/home/ssivakum/gitrepos/odinControl/odin.py", line 41, in connect_node
    raise e
  File "/home/ssivakum/gitrepos/odinControl/odin.py", line 34, in connect_node
    node_ssh_client.connect(
  File "/home/ssivakum/.virtualenvs/odin/lib/python3.9/site-packages/paramiko/client.py", line 435, in connect
    self._auth(
  File "/home/ssivakum/.virtualenvs/odin/lib/python3.9/site-packages/paramiko/client.py", line 764, in _auth
    raise saved_exception
  File "/home/ssivakum/.virtualenvs/odin/lib/python3.9/site-packages/paramiko/client.py", line 740, in _auth
    self._transport.auth_publickey(username, key)
  File "/home/ssivakum/.virtualenvs/odin/lib/python3.9/site-packages/paramiko/transport.py", line 1580, in auth_publickey
    return self.auth_handler.wait_for_response(my_event)
  File "/home/ssivakum/.virtualenvs/odin/lib/python3.9/site-packages/paramiko/auth_handler.py", line 250, in wait_for_response
    raise e
paramiko.ssh_exception.AuthenticationException: Authentication failed.