flask with gevent monkey patch all

Problem:

 - content length mismatched(ERR_CONTENT_LENGTH_MISMATCH)

 - response string truncated (cut off)

If you are using flask with gevent monkey patch all and you got such a problem above, 

than you should use gevent wsgi instead of flask app.run

For example..

from gevent import monkey monkey.patch_all() from flask import Flask from gevent import wsgi app = Flask(__name__) @app.route('/') def index():   return 'Hello World' server = wsgi.WSGIServer(('127.0.0.1', 5000), app) server.serve_forever()

reason:

flask is not for aysnc future model, so if you want to use asynchronous for http or any socket use, than you should use gevent wsgi