code: def _check_stations_csv(self, usr, root):
          ''' Reclocate a stations.csv copy in user home for easy manage.
              E.g. not need sudo when you add new station, etc '''
  
          if path.exists(path.join(usr, 'stations.csv')):
              return
          else:
              copyfile(root, path.join(usr, 'stations.csv')f _check_stations_csv(self, usr, root):
          ''' Reclocate a stations.csv copy in user home for easy manage.
              E.g. not need sudo when you add new station, etc '''
  
          if path.exists(path.join(usr, 'stations.csv')):
              return
          else:
              copyfile(root, path.join(usr, 'stations.csv'))
docs: Reclocate a stations.csv copy in user home for easy manage.
              E.g. not need sudo when you add new station, etc