code: def _get_snmpv2c(self, oid):
          
          snmp_target = (self.hostname, self.snmp_port)
          cmd_gen = cmdgen.CommandGenerator()
  
          (error_detected, error_status, error_index, snmp_data) = cmd_gen.getCmd(
              cmdgen.CommunityData(self.community),
              cmdgen.UdpTransportTarget(snmp_target, timeout=1.5, retries=2),
              oid,
              lookupNames=True,
              lookupValues=True,
          )
  
          if not error_detected and snmp_data[0][1]:
              return text_type(snmp_data[0][1])
          return ""
docs: Try to send an SNMP GET operation using SNMPv2 for the specified OID.
  
          Parameters
          ----------
          oid : str
              The SNMP OID that you want to get.
  
          Returns
          -------
          string : str
              The string as part of the value from the OID you are trying to retrieve.