error setting ssh platform

[AudriusTGo]

sensor isnt created, and i receive following message. I can manually ssh from hassio to remote rpi.

Logger: homeassistant.components.sensor
Source: custom_components/ssh/sensor.py:136
Integration: Sensor (documentation, issues)
First occurred: 10:14:35 (1 occurrences)
Last logged: 10:14:35

Error while setting up ssh platform for sensor
Traceback (most recent call last):
File "/usr/src/homeassistant/homeassistant/helpers/entity_platform.py", line 179, in _async_setup_platform
await asyncio.wait_for(asyncio.shield(task), SLOW_SETUP_MAX_WAIT)
File "/usr/local/lib/python3.8/asyncio/tasks.py", line 483, in wait_for
return fut.result()
File "/usr/local/lib/python3.8/asyncio/coroutines.py", line 124, in coro
res = func(*args, **kw)
File "/config/custom_components/ssh/sensor.py", line 48, in async_setup_platform
dev.append(SSHSensor(hass, config))
File "/config/custom_components/ssh/sensor.py", line 66, in init
self._connect()
File "/config/custom_components/ssh/sensor.py", line 136, in _connect
self._ssh.login(self._host, self._username,
File "/usr/local/lib/python3.8/site-packages/pexpect/pxssh.py", line 426, in login
raise ExceptionPxssh('could not synchronize with original prompt')
pexpect.pxssh.ExceptionPxssh: could not synchronize with original prompt
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