incidents.html : 'NoneType' object is not iterable

[LUCIFERsDen26]

Hello!, I ran you project and great work BTW!
but had this issue and i don't know how can i slove this,
i'm new in flask keycloak.
please help.

INFO:werkzeug:127.0.0.1 - - [13/Mar/2024 11:53:38] "GET /incidents?__debugger__=yes&cmd=resource&f=console.png HTTP/1.1" 304 -
DEBUG:urllib3.connectionpool:Starting new HTTP connection (1): localhost:6000
DEBUG:urllib3.connectionpool:http://localhost:6000 "GET /api/incidents HTTP/1.1" 200 5
INFO:werkzeug:127.0.0.1 - - [13/Mar/2024 11:53:39] "GET /incidents HTTP/1.1" 500 -
Traceback (most recent call last):
  File "/home/bhushan/Documents/IDAN/oauth2-example-main/.venv/lib/python3.10/site-packages/flask/app.py", line 1488, in __call__
    return self.wsgi_app(environ, start_response)
  File "/home/bhushan/Documents/IDAN/oauth2-example-main/.venv/lib/python3.10/site-packages/flask/app.py", line 1466, in wsgi_app
    response = self.handle_exception(e)
  File "/home/bhushan/Documents/IDAN/oauth2-example-main/.venv/lib/python3.10/site-packages/flask/app.py", line 1463, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/bhushan/Documents/IDAN/oauth2-example-main/.venv/lib/python3.10/site-packages/flask/app.py", line 872, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/bhushan/Documents/IDAN/oauth2-example-main/.venv/lib/python3.10/site-packages/flask/app.py", line 870, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/bhushan/Documents/IDAN/oauth2-example-main/.venv/lib/python3.10/site-packages/flask/app.py", line 855, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
  File "/home/bhushan/Documents/IDAN/oauth2-example-main/frontend.py", line 96, in inner
    return func(*args, **kwargs)
  File "/home/bhushan/Documents/IDAN/oauth2-example-main/frontend.py", line 195, in incidents
    return render_template("incidents.html", incidents=events, user=id_token)
  File "/home/bhushan/Documents/IDAN/oauth2-example-main/.venv/lib/python3.10/site-packages/flask/templating.py", line 150, in render_template
    return _render(app, template, context)
  File "/home/bhushan/Documents/IDAN/oauth2-example-main/.venv/lib/python3.10/site-packages/flask/templating.py", line 131, in _render
    rv = template.render(context)
  File "/home/bhushan/Documents/IDAN/oauth2-example-main/.venv/lib/python3.10/site-packages/jinja2/environment.py", line 1301, in render
    self.environment.handle_exception()
  File "/home/bhushan/Documents/IDAN/oauth2-example-main/.venv/lib/python3.10/site-packages/jinja2/environment.py", line 936, in handle_exception
    raise rewrite_traceback_stack(source=source)
  File "/home/bhushan/Documents/IDAN/oauth2-example-main/templates/incidents.html", line 42, in top-level template code
    {% for incident in incidents %}
TypeError: 'NoneType' object is not iterable