Error: class uri 'eventlet' invalid or not found:
[Traceback (most recent call last):
File "/app/venv/lib64/python3.6/site-packages/gunicorn/util.py", line 99, in load_class
mod = importlib.import_module('.'.join(components))
File "/usr/lib64/python3.6/importlib/__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 994, in _gcd_import
File "<frozen importlib._bootstrap>", line 971, in _find_and_load
File "<frozen importlib._bootstrap>", line 955, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 665, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 678, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "/app/venv/lib64/python3.6/site-packages/gunicorn/workers/geventlet.py", line 20, in <module>
from eventlet.wsgi import ALREADY_HANDLED as EVENTLET_ALREADY_HANDLED
ImportError: cannot import name 'ALREADY_HANDLED'