old_contents: from json import dumps
  from oauthlib.common import urldecode
  
  
  def facebook_compliance_fix(session):
  
      def _compliance_fix(r):
          token = dict(urldecode(r.text))
          token['expires_in'] = token['expires']
          token['token_type'] = 'Bearer'
          r._content = dumps(token)
          return r
  
      session.register_compliance_hook('access_token_response', _compliance_fix)
      return session
  
new_contents: from json import dumps
  from oauthlib.common import urldecode
  
  
  def facebook_compliance_fix(session):
  
      def _compliance_fix(r):
          token = dict(urldecode(r.text))
          expires = token.get('expires')
          if expires is not None:
              token['expires_in'] = expires
          token['token_type'] = 'Bearer'
          r._content = dumps(token)
          return r
  
      session.register_compliance_hook('access_token_response', _compliance_fix)
      return session
  
subject: Fix KeyError in facebook_compliance_fix