Worker failed to boot.

[RoZelm0]

ImportError: cannot import name 'escape' from 'jinja2' (/usr/local/lib/python3.7/site-packages/jinja2/init.py) [2023-09-03 21:35:14 +0000] [9] [INFO] Worker exiting (pid: 9) [2023-09-03 21:35:14 +0000] [1] [INFO] Shutting down: Master [2023-09-03 21:35:14 +0000] [1] [INFO] Reason: Worker failed to boot. [2023-09-03 21:36:15 +0000] [1] [INFO] Starting gunicorn 20.1.0 [2023-09-03 21:36:15 +0000] [1] [INFO] Listening at: http://0.0.0.0:8000 (1) [2023-09-03 21:36:15 +0000] [1] [INFO] Using worker: gthread [2023-09-03 21:36:15 +0000] [9] [INFO] Booting worker with pid: 9 [2023-09-03 21:36:15 +0000] [9] [ERROR] Exception in worker process Traceback (most recent call last): File "/usr/local/lib/python3.7/site-packages/gunicorn/arbiter.py", line 589, in spawn_worker worker.init_process() File "/usr/local/lib/python3.7/site-packages/gunicorn/workers/gthread.py", line 92, in init_process super().init_process() File "/usr/local/lib/python3.7/site-packages/gunicorn/workers/base.py", line 134, in init_process self.load_wsgi() File "/usr/local/lib/python3.7/site-packages/gunicorn/workers/base.py", line 146, in load_wsgi self.wsgi = self.app.wsgi() File "/usr/local/lib/python3.7/site-packages/gunicorn/app/base.py", line 67, in wsgi self.callable = self.load() File "/usr/local/lib/python3.7/site-packages/gunicorn/app/wsgiapp.py", line 58, in load return self.load_wsgiapp() File "/usr/local/lib/python3.7/site-packages/gunicorn/app/wsgiapp.py", line 48, in load_wsgiapp return util.import_app(self.app_uri) File "/usr/local/lib/python3.7/site-packages/gunicorn/util.py", line 359, in import_app mod = importlib.import_module(module) File "/usr/local/lib/python3.7/importlib/init.py", line 127, in import_module return _bootstrap._gcd_import(name[level:], package, level) File "", line 1006, in _gcd_import File "", line 983, in _find_and_load File "", line 967, in _find_and_load_unlocked File "", line 677, in _load_unlocked File "", line 728, in exec_module File "", line 219, in _call_with_frames_removed File "/home/project/flask_app/app.py", line 8, in from flask import Flask File "/usr/local/lib/python3.7/site-packages/flask/init.py", line 14, in from jinja2 import escape ImportError: cannot import name 'escape' from 'jinja2' (/usr/local/lib/python3.7/site-packages/jinja2/init.py) [2023-09-03 21:36:15 +0000] [9] [INFO] Worker exiting (pid: 9) [2023-09-03 21:36:15 +0000] [1] [INFO] Shutting down: Master [2023-09-03 21:36:15 +0000] [1] [INFO] Reason: Worker failed to boot.