code: def find_by_user(self, user, params={}, **options): 
          
          path = "/users/%s/teams" % (user)
          return self.client.get_collection(path, params, **options)
docs: Returns the compact records for all teams to which user is assigned.
  
          Parameters
          ----------
          user : {String} An identifier for the user. Can be one of an email address,
          the globally unique identifier for the user, or the keyword `me`
          to indicate the current user making the request.
          [params] : {Object} Parameters for the request
            - [organization] : {Id} The workspace or organization to filter teams on.