edge container not working

[vumaasha]

Trying to start sqlite example from the edge tag. It fails with the following error
This is my compose file

version: '3'
services:
  redis:
    image: redis
    restart: always
    volumes:
      - redis:/data
  superset:
    image: amancevice/superset:edge
    restart: always
    depends_on:
      - redis
    environment:
      MAPBOX_API_KEY: ${MAPBOX_API_KEY}
      SUPERSET_HOME: /etc/superset
    ports:
      - "8088:8088"
    volumes:
      - ./superset_config.py:/etc/superset/superset_config.py
      - superset:/var/lib/superset
volumes:
  redis:
  superset:

 ~/r/d/e/sqlite> docker-compose logs -f superset
Attaching to sqlite_superset_1
superset_1  | [2020-03-12 11:05:15 +0000] [1] [INFO] Starting gunicorn 20.0.4
superset_1  | [2020-03-12 11:05:15 +0000] [1] [INFO] Listening at: http://0.0.0.0:8088 (1)
superset_1  | [2020-03-12 11:05:15 +0000] [1] [INFO] Using worker: threads
superset_1  | [2020-03-12 11:05:15 +0000] [8] [INFO] Booting worker with pid: 8
superset_1  | [2020-03-12 11:05:15 +0000] [9] [INFO] Booting worker with pid: 9
superset_1  | [2020-03-12 11:05:15 +0000] [10] [INFO] Booting worker with pid: 10
superset_1  | /usr/local/lib/python3.6/site-packages/psycopg2/__init__.py:144: UserWarning: The psycopg2 wheel package will be renamed from release 2.8; in order to keep installing from binary please use "pip install psycopg2-binary" instead. For details see: <http://initd.org/psycopg/docs/install.html#binary-install-from-pypi>.
superset_1  |   """)
superset_1  | [2020-03-12 11:05:36 +0000] [10] [ERROR] Error handling request /
superset_1  | Traceback (most recent call last):
superset_1  |   File "/usr/local/lib/python3.6/site-packages/gunicorn/workers/gthread.py", line 271, in handle
superset_1  |     keepalive = self.handle_request(req, conn)
superset_1  |   File "/usr/local/lib/python3.6/site-packages/gunicorn/workers/gthread.py", line 320, in handle_request
superset_1  |     respiter = self.wsgi(environ, resp.start_response)
superset_1  |   File "/usr/local/lib/python3.6/site-packages/werkzeug/local.py", line 376, in <lambda>
superset_1  |     __call__ = lambda x, *a, **kw: x._get_current_object()(*a, **kw)
superset_1  |   File "/usr/local/lib/python3.6/site-packages/werkzeug/local.py", line 307, in _get_current_object
superset_1  |     return self.__local()
superset_1  |   File "/usr/local/lib/python3.6/site-packages/flask/globals.py", line 52, in _find_app
superset_1  |     raise RuntimeError(_app_ctx_err_msg)
superset_1  | RuntimeError: Working outside of application context.

[ceastman-ibm]

I am getting this error with using edge:
Loaded your LOCAL configuration at [/home/superset/superset_config.py]

Error: class uri 'gevent' invalid or not found:

[Traceback (most recent call last):
File "/usr/local/lib/python3.6/site-packages/gunicorn/util.py", line 99, in load_class
mod = importlib.import_module('.'.join(components))
File "/usr/local/lib/python3.6/importlib/init.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "", line 994, in _gcd_import
File "", line 971, in _find_and_load
File "", line 955, in _find_and_load_unlocked
File "", line 665, in _load_unlocked
File "", line 678, in exec_module
File "", line 219, in _call_with_frames_removed
File "/usr/local/lib/python3.6/site-packages/gunicorn/workers/ggevent.py", line 20, in
raise RuntimeError("gevent worker requires gevent 1.4 or higher")
RuntimeError: gevent worker requires gevent 1.4 or higher
]