flask_patch : RuntimeError: dictionary changed size during iteration about quart HOT 6 CLOSED

# coding:utf-8


from quart import flask_patch
from quart import (
    Quart,
    Blueprint,
    session,
    request,
    render_template,
    jsonify
)
app = Quart("test")

from app import create_app
app = create_app(app=app)

app.run(host='0.0.0.0', port=5001, threaded=True, debug=True)

Recreating seffaflik_seffaflik_1 ... done
Attaching to seffaflik_seffaflik_1
seffaflik_1  | Traceback (most recent call last):
seffaflik_1  |   File "run.py", line 4, in <module>
seffaflik_1  |     from quart import flask_patch
seffaflik_1  |   File "/usr/local/lib/python3.6/site-packages/quart/flask_patch/__init__.py", line 5, in <module>
seffaflik_1  |     patch_all()
seffaflik_1  |   File "/usr/local/lib/python3.6/site-packages/quart/flask_patch/_patch.py", line 83, in patch_all
seffaflik_1  |     _patch_modules()
seffaflik_1  |   File "/usr/local/lib/python3.6/site-packages/quart/flask_patch/_patch.py", line 64, in _patch_modules
seffaflik_1  |     for name, module in sys.modules.items():
seffaflik_1  | RuntimeError: dictionary changed size during iteration
seffaflik_seffaflik_1 exited with code 1

Traceback (most recent call last):
  File "run.py", line 6, in <module>
    app = create_app()
  File "/home/hanbey/workspaces/python/seffaflik/app/app.py", line 51, in create_app
    configure_extensions(app)
  File "/home/hanbey/workspaces/python/seffaflik/app/app.py", line 74, in configure_extensions
    db.init_app(app)
  File "/home/hanbey/.local/share/virtualenvs/seffaflik-2oDz6vDS/lib/python3.6/site-packages/flask_mongoengine/__init__.py", line 111, in init_app
    raise Exception('Invalid Flask application instance')
Exception: Invalid Flask application instance