Traceback (most recent call last):
File "/home/ubuntu/kwikee/projects/venv/lib/python3.6/site-packages/flask/app.py", line 2292, in wsgi_app
response = self.full_dispatch_request()
File "/home/ubuntu/kwikee/projects/venv/lib/python3.6/site-packages/flask/app.py", line 1815, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/home/ubuntu/kwikee/projects/venv/lib/python3.6/site-packages/flask/app.py", line 1718, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/home/ubuntu/kwikee/projects/venv/lib/python3.6/site-packages/flask/_compat.py", line 35, in reraise
raise value
File "/home/ubuntu/kwikee/projects/venv/lib/python3.6/site-packages/flask/app.py", line 1813, in full_dispatch_request
rv = self.dispatch_request()
File "/home/ubuntu/kwikee/projects/venv/lib/python3.6/site-packages/flask/app.py", line 1799, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/home/ubuntu/kwikee/projects/category_search/rest_api/category_controller.py", line 749, in check_ads_multiple_api
brand_list = dbs.check_ads_for_category(category)
File "/home/ubuntu/kwikee/projects/category_search/services/db_service.py", line 852, in check_ads_for_category
brand_list = ad_util.has_ads_multiple_for_brands(brand_list)
File "/home/ubuntu/kwikee/projects/category_search/utils/ad_util.py", line 104, in has_ads_multiple_for_brands
if('googleads' in link):
TypeError: argument of type 'NoneType' is not iterable