pi@raspberrypi:~/Mycodo/mycodo $ sudo /var/mycodo-root/env/bin/gunicorn \
> > --workers 1 \
> > --worker-class gthread \
> > --threads 2 \
> > --timeout 300 \
> > --pid /var/lock/mycodoflask.pid \
> > --bind unix:/var/run/mycodoflask.sock start_flask_ui:app
[2021-05-22 18:38:52 -0400] [1885] [INFO] Starting gunicorn 20.0.4
[2021-05-22 18:38:52 -0400] [1885] [INFO] Listening at: http://127.0.0.1:8000 (1885)
[2021-05-22 18:38:52 -0400] [1885] [INFO] Using worker: sync
[2021-05-22 18:38:52 -0400] [1888] [INFO] Booting worker with pid: 1888
[2021-05-22 18:38:52 -0400] [1888] [ERROR] Exception in worker process
Traceback (most recent call last):
  File "/home/pi/Mycodo/env/lib/python3.7/site-packages/gunicorn/arbiter.py", line 583, in spawn_worker
    worker.init_process()
  File "/home/pi/Mycodo/env/lib/python3.7/site-packages/gunicorn/workers/base.py", line 119, in init_process
    self.load_wsgi()
  File "/home/pi/Mycodo/env/lib/python3.7/site-packages/gunicorn/workers/base.py", line 144, in load_wsgi
    self.wsgi = self.app.wsgi()
  File "/home/pi/Mycodo/env/lib/python3.7/site-packages/gunicorn/app/base.py", line 67, in wsgi
    self.callable = self.load()
  File "/home/pi/Mycodo/env/lib/python3.7/site-packages/gunicorn/app/wsgiapp.py", line 49, in load
    return self.load_wsgiapp()
  File "/home/pi/Mycodo/env/lib/python3.7/site-packages/gunicorn/app/wsgiapp.py", line 39, in load_wsgiapp
    return util.import_app(self.app_uri)
  File "/home/pi/Mycodo/env/lib/python3.7/site-packages/gunicorn/util.py", line 358, in import_app
    mod = importlib.import_module(module)
  File "/usr/lib/python3.7/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 965, in _find_and_load_unlocked
ModuleNotFoundError: No module named '1'
[2021-05-22 18:38:52 -0400] [1888] [INFO] Worker exiting (pid: 1888)
[2021-05-22 18:38:53 -0400] [1885] [INFO] Shutting down: Master
[2021-05-22 18:38:53 -0400] [1885] [INFO] Reason: Worker failed to boot.
pi@raspberrypi:~/Mycodo/mycodo $