Sudden Crash of Hasbian

My hasbian is suddenly crashed. Is there an easy way to recover from it

Blockquote
17-10-09 17:17:18 ERROR (MainThread) [homeassistant.loader] Error loading homeassistant.components.camera. Make sure all dependencies are installed
Traceback (most recent call last):
File “/srv/homeassistant/lib/python3.4/site-packages/homeassistant/loader.py”, line 141, in get_component
module = importlib.import_module(path)
File “/usr/lib/python3.4/importlib/init.py”, line 109, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File “”, line 2254, in _gcd_import
File “”, line 2237, in _find_and_load
File “”, line 2226, in _find_and_load_unlocked
File “”, line 1200, in _load_unlocked
File “”, line 1129, in _exec
File “”, line 1471, in exec_module
File “”, line 321, in _call_with_frames_removed
File “/srv/homeassistant/lib/python3.4/site-packages/homeassistant/components/camera/init.py”, line 26, in
from homeassistant.components.http import HomeAssistantView, KEY_AUTHENTICATED
File “/srv/homeassistant/lib/python3.4/site-packages/homeassistant/components/http/init.py”, line 34, in
from .static import FILE_SENDER, CACHING_FILE_SENDER, staticresource_middleware
File “/srv/homeassistant/lib/python3.4/site-packages/homeassistant/components/http/static.py”, line 6, in
from aiohttp.file_sender import FileSender
ImportError: No module named 'aiohttp.file_sender’
17-10-09 17:17:18 ERROR (MainThread) [homeassistant.loader] Unable to find component camera
17-10-09 17:17:18 ERROR (MainThread) [homeassistant.setup] Setup failed for camera: Component not found.
17-10-09 17:17:18 ERROR (MainThread) [homeassistant.loader] Error loading homeassistant.components.logbook. Make sure all dependencies are installed