original_docstring: 
      Method to check if an IMEI is ever observed on the network.
  
      :param cursor: db cursor
      :param imei_norm: normalized imei
      :return: bool
      
docstring: Method to check if an IMEI is ever observed on the network.
docstring_tokens: Method to check if an IMEI is ever observed on the network .
code: def ever_observed_on_network(cursor, imei_norm):
      """
      Method to check if an IMEI is ever observed on the network.
  
      :param cursor: db cursor
      :param imei_norm: normalized imei
      :return: bool
      """
      cursor.execute(
          """SELECT EXISTS(SELECT 1
                             FROM network_imeis
                            WHERE imei_norm = %(imei_norm)s
                              AND virt_imei_shard =
                                      calc_virt_imei_shard(%(imei_norm)s)) AS ever_observed_on_network""",
          {'imei_norm': imei_norm})
      return cursor.fetchone().ever_observed_on_network
code_tokens: def ever_observed_on_network ( cursor , imei_norm ) : cursor . execute ( """SELECT EXISTS(SELECT 1
                             FROM network_imeis
                            WHERE imei_norm = %(imei_norm)s
                              AND virt_imei_shard =
                                      calc_virt_imei_shard(%(imei_norm)s)) AS ever_observed_on_network""" , { 'imei_norm' : imei_norm } ) return cursor . fetchone ( ) . ever_observed_on_network
short_docstring: Method to check if an IMEI is ever observed on the network.
short_docstring_tokens: Method to check if an IMEI is ever observed on the network .
comment: """
      Method to check if an IMEI is ever observed on the network.
  
      :param cursor: db cursor
      :param imei_norm: normalized imei
      :return: bool
      """