i run the command python start_backend.py
2018-12-15 13:00:01,229 INFO sqlalchemy.engine.base.Engine SELECT CAST('test plain returns' AS VARCHAR(60)) AS anon_1
2018-12-15 13:00:01,229 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,230 INFO sqlalchemy.engine.base.Engine SELECT CAST('test unicode returns' AS VARCHAR(60)) AS anon_1
2018-12-15 13:00:01,230 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,231 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("config_stt")
2018-12-15 13:00:01,232 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,267 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("hotwords")
2018-12-15 13:00:01,268 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,268 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("ip_users")
2018-12-15 13:00:01,268 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,268 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("hotword_devices")
2018-12-15 13:00:01,268 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,269 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("locations")
2018-12-15 13:00:01,269 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,269 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("ips")
2018-12-15 13:00:01,269 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,270 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("location_users")
2018-12-15 13:00:01,270 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,270 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("stt_engines")
2018-12-15 13:00:01,270 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,271 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("sounds")
2018-12-15 13:00:01,271 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,271 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("skill_configs")
2018-12-15 13:00:01,271 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,272 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("ip_devices")
2018-12-15 13:00:01,272 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,274 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("admins")
2018-12-15 13:00:01,274 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,275 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("config_tts")
2018-12-15 13:00:01,275 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,276 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("tts_engines")
2018-12-15 13:00:01,276 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,277 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("config_users")
2018-12-15 13:00:01,277 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,278 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("location_devices")
2018-12-15 13:00:01,278 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,279 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("users")
2018-12-15 13:00:01,279 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,280 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("metrics")
2018-12-15 13:00:01,280 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,280 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("config_devices")
2018-12-15 13:00:01,280 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,281 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("location_configs")
2018-12-15 13:00:01,281 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,281 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("skill_devices")
2018-12-15 13:00:01,281 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,282 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("configs")
2018-12-15 13:00:01,282 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,282 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("user_devices")
2018-12-15 13:00:01,282 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,283 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("skills")
2018-12-15 13:00:01,283 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,284 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("metrics_devices")
2018-12-15 13:00:01,284 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,284 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("hotword_users")
2018-12-15 13:00:01,284 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,285 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("devices")
2018-12-15 13:00:01,285 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,285 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("metrics_users")
2018-12-15 13:00:01,286 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,286 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("hotword_configs")
2018-12-15 13:00:01,286 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,286 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("config_sounds")
2018-12-15 13:00:01,287 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,287 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("unpaired")
2018-12-15 13:00:01,287 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,291 INFO sqlalchemy.engine.base.Engine SELECT CAST('test plain returns' AS VARCHAR(60)) AS anon_1
2018-12-15 13:00:01,291 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,292 INFO sqlalchemy.engine.base.Engine SELECT CAST('test unicode returns' AS VARCHAR(60)) AS anon_1
2018-12-15 13:00:01,292 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,293 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("config_stt")
2018-12-15 13:00:01,293 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,294 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("hotwords")
2018-12-15 13:00:01,295 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,295 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("ip_users")
2018-12-15 13:00:01,295 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,295 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("hotword_devices")
2018-12-15 13:00:01,296 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,296 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("locations")
2018-12-15 13:00:01,296 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,296 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("ips")
2018-12-15 13:00:01,296 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,297 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("location_users")
2018-12-15 13:00:01,297 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,297 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("stt_engines")
2018-12-15 13:00:01,297 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,298 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("sounds")
2018-12-15 13:00:01,298 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,298 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("skill_configs")
2018-12-15 13:00:01,298 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,299 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("ip_devices")
2018-12-15 13:00:01,299 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,299 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("admins")
2018-12-15 13:00:01,299 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,300 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("config_tts")
2018-12-15 13:00:01,300 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,300 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("tts_engines")
2018-12-15 13:00:01,300 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,301 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("config_users")
2018-12-15 13:00:01,301 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,301 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("location_devices")
2018-12-15 13:00:01,301 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,302 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("users")
2018-12-15 13:00:01,302 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,302 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("metrics")
2018-12-15 13:00:01,302 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,303 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("config_devices")
2018-12-15 13:00:01,303 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,303 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("location_configs")
2018-12-15 13:00:01,303 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,304 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("skill_devices")
2018-12-15 13:00:01,304 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,304 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("configs")
2018-12-15 13:00:01,304 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,305 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("user_devices")
2018-12-15 13:00:01,305 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,306 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("skills")
2018-12-15 13:00:01,306 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,306 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("metrics_devices")
2018-12-15 13:00:01,306 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,307 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("hotword_users")
2018-12-15 13:00:01,307 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,307 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("devices")
2018-12-15 13:00:01,308 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,308 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("metrics_users")
2018-12-15 13:00:01,308 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,309 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("hotword_configs")
2018-12-15 13:00:01,309 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,309 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("config_sounds")
2018-12-15 13:00:01,309 INFO sqlalchemy.engine.base.Engine ()
2018-12-15 13:00:01,310 INFO sqlalchemy.engine.base.Engine PRAGMA table_info("unpaired")
2018-12-15 13:00:01,310 INFO sqlalchemy.engine.base.Engine ()
Illegal instruction (core dumped)
and then get all this