TypeError: 'Flask' object is not iterable

[abuvanth]

Traceback (most recent call last):
File "/usr/local/lib/python2.7/dist-packages/gunicorn/workers/sync.py", line 135, in handle
self.handle_request(listener, req, client, addr)
File "/usr/local/lib/python2.7/dist-packages/gunicorn/workers/sync.py", line 182, in handle_request
for item in respiter:
TypeError: 'Flask' object is not iterable

[ManuelCAT1]

did you solve this?