OSError: Failure - please help to increase the timeout

Hello,

I am getting this exception when downloading files from several servers (network switches) at the same time.
How can I increase the timeout?

CRITICAL :: 2020-09-13 01:06:21,671 :: 46 :: Thread-4800 ::  def_log_exceptions :: Unhandled exception: Traceback (most recent call last):
  File "coll_diag_3.py", line 71, in run
    run_old(*args, **kwargs)
  File "/opt/rh/rh-python36/root/usr/lib64/python3.6/threading.py", line 864, in run
    self._target(*self._args, **self._kwargs)
  File "coll_diag_3.py", line 228, in ssh_session
    def_get_coll_diag_file(hostname, timestamp_str)
  File "coll_diag_3.py", line 125, in def_get_coll_diag_file
    sftp.get(remoteFilePath, localFilePath)
  File "/home/taakeis1/bfd_fix/lib64/python3.6/site-packages/pysftp/__init__.py", line 249, in get
    self._sftp.get(remotepath, localpath, callback=callback)
  File "/home/taakeis1/bfd_fix/lib64/python3.6/site-packages/paramiko/sftp_client.py", line 802, in get
    size = self.getfo(remotepath, fl, callback)
  File "/home/taakeis1/bfd_fix/lib64/python3.6/site-packages/paramiko/sftp_client.py", line 782, in getfo
    reader=fr, writer=fl, file_size=file_size, callback=callback
  File "/home/taakeis1/bfd_fix/lib64/python3.6/site-packages/paramiko/sftp_client.py", line 678, in _transfer_with_callback
    data = reader.read(32768)
  File "/home/taakeis1/bfd_fix/lib64/python3.6/site-packages/paramiko/file.py", line 219, in read
    new_data = self._read(read_size)
  File "/home/taakeis1/bfd_fix/lib64/python3.6/site-packages/paramiko/sftp_file.py", line 186, in _read
    CMD_READ, self.handle, long(self._realpos), int(size)
  File "/home/taakeis1/bfd_fix/lib64/python3.6/site-packages/paramiko/sftp_client.py", line 813, in _request
    return self._read_response(num)
  File "/home/taakeis1/bfd_fix/lib64/python3.6/site-packages/paramiko/sftp_client.py", line 865, in _read_response
    self._convert_status(msg)
  File "/home/taakeis1/bfd_fix/lib64/python3.6/site-packages/paramiko/sftp_client.py", line 898, in _convert_status
    raise IOError(text)
OSError: Failure

Start with paramiko/sftp_client.py at _request and _read_response, following the traceback from sftp.get through the SFTP read. Check how timeout behavior is configured for concurrent transfers and whether the reported OSError can be reproduced. Done means the relevant timeout behavior is identified and a documented or testable resolution is established.