import paramiko
import os

HOST = 'youdomain.com'
PORT = 22
USERNAME = 'username'
PASSWORD = 'password'
REMOTE_PATH = '/remote/sftp/path/'


with paramiko.Transport((HOST, PORT)) as transport:
    transport.connect(username = USERNAME, password = PASSWORD)
    with paramiko.SFTPClient.from_transport(transport) as sftp:
        fname = 'somefile'  # Make sure the file exists
        localpath = os.path.abspath(fname)
        targetpath = REMOTE_PATH + fname
        # Upload local file to remote SFTP
        sftp.put(localpath, targetpath)
print("Done!")