old_contents: """Constants for the JunOS driver."""
  
  from __future__ import unicode_literals
  
  from napalm_base.constants import *  # noqa
  
  # OpenConfig mapping
  # ref: https://github.com/openconfig/public/blob/master/release/models/network-instance/openconfig-network-instance-types.yang  # noqa
  OC_NETWORK_INSTANCE_TYPE_MAP = {
      'default': 'DEFAULT_INSTANCE',
      'l2vpn': 'L2VPN',
      'vrf': 'L3VRF',
      'evpn': 'BGP_EVPN',
      'vpls': 'BGP_VPLS',
      'forwarding': 'L2P2P'
  }
  
  OPTICS_NO_POWER = '- Inf'
  
new_contents: """Constants for the JunOS driver."""
  
  from __future__ import unicode_literals
  
  from napalm_base.constants import *  # noqa
  
  # OpenConfig mapping
  # ref: https://github.com/openconfig/public/blob/master/release/models/network-instance/openconfig-network-instance-types.yang  # noqa
  OC_NETWORK_INSTANCE_TYPE_MAP = {
      'default': 'DEFAULT_INSTANCE',
      'l2vpn': 'L2VPN',
      'vrf': 'L3VRF',
      'evpn': 'BGP_EVPN',
      'vpls': 'BGP_VPLS',
      'forwarding': 'L2P2P'
  }
  
subject: Remove OPTICS_NO_POWER duplicate const