oauth - Dropbox auth is not working on Python -

i'm trying build app using python ( flask ) , dropbox api. i'm trying authorize user, followed tutorial python.

from flask import flask, render_template, url_for dropbox import client, rest, session  # dropbox settings app_key     = 'gb83a6gpdo4kba6' app_secret  = 'w5q0yhj9ikiw39g' access_type = 'app_folder'  # flask config debug = true  app = flask(__name__) app.config.from_object(__name__)  @app.route("/") def home():      dropboxaccount = dropboxaccesstoken = dropboxclient = none      # dropbox auth     dropboxsession = session.dropboxsession(app.config['app_key'], app.config['app_secret'], app.config['access_type'])     requesttoken   = dropboxsession.obtain_request_token()      try:         dropboxaccesstoken = dropboxsession.obtain_access_token(requesttoken)          dropboxclient      = dropboxclient.dropboxclient(dropboxsession)         dropboxaccount     = dropboxclient.account_info()     except exception, e:         print e         dropboxauthurl = dropboxsession.build_authorize_url(requesttoken, oauth_callback = "http://localhost:5000/")      context = {         'dropboxauthurl' : dropboxauthurl,         'dropboxaccount' : dropboxaccount     }      return render_template('layout.html', context = context)  if __name__ == "__main__":     app.run() 

but, authorization isn't working. trying localhost, user clicks on link generated line:

dropboxsession.build_authorize_url(requesttoken, oauth_callback = "http://localhost:5000/") 

and, go dropbox authorization page, displaying app info , options allow or refuse. when click in "allow" button, redirects me back, , when check account apps, new app isn't listed there. callback url looks this:

http://localhost:5000/dropbox/?uid={some_uid}&oauth_token={some_token} 

anyone knows whats going on?

thanks in advance!

just solved. didn't notice reseting request_token on every request.