1) Try removing cookies from your headers you don’t need that. Because requests. Session() will generate cookies of its own when you visit url = ‘http://172.31.13.135/tpo/spp/’ for the first time. 2) Make sure that ‘If-Modified-Since’ field in header is static to what you have mentioned and it doesn’t change.
Read moreHow many sessions are in a Flask?
There are two types of sessions commonly used in web development: Client-side – sessions are stored client-side in browser cookies. Server-side – sessions are stored server-side (typically a session identifier is then created and stored client-side in browser cookies)
Read moreHow do I create a permanent Flask session?
By default, Flask uses volatile sessions, which means the session cookie is set to expire when browser closes. In order to use permanent sessions, which will use a cookie with a defined expiration date, one should set session .
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