old_contents: RESOURCE_METHODS = ['GET', 'POST', 'DELETE']
  ITEM_METHODS = ['GET', 'PATCH', 'PUT', 'DELETE']
  PAGINATION = False
  lookup_url = 'regex("[\.\w-]+")'
  
  
  class ResourceSchema(object):
      machine_schema = {
          'hostname': {
              'type': 'string',
              'required': True,
              'unique': True
          },
          'owner': {
              'type': 'string'
          },
          'state': {
              'type': 'string',
              'required': True,
              'allowed': ["pxe", "pxe_failed", "idle", "in_use", "needs_repair"]
          },
          'job_id': {
              'type': 'string'
          },
          'tags':{
              'type': 'dict'
          }
      }
  
      address_schema = {
          'address': {
              'type': 'string',
              'required': True,
              'unique': True
          },
          'owner': {
              'type': 'string'
          },
          'tags':{
              'type': 'dict'
          }
      }
  
      machines = {
          'item_title': 'machine',
          'additional_lookup': {
              'url': lookup_url,
              'field': 'hostname'
          },
          'schema': machine_schema
      }
  
      public_addresses = {
          'item_title': 'public-address',
          'additional_lookup': {
              'url': lookup_url,
              'field': 'address'
          },
          'schema': address_schema
      }
  
      private_addresses = {
          'item_title': 'private-address',
          'additional_lookup': {
              'url': lookup_url,
              'field': 'address'
          },
          'schema': address_schema
      }
  
  
  schema = ResourceSchema()
  DOMAIN = {
      'machines': schema.machines,
      'public-addresses': schema.public_addresses,
      'private-addresses': schema.private_addresses
  }
  
new_contents: RESOURCE_METHODS = ['GET', 'POST', 'DELETE']
  ITEM_METHODS = ['GET', 'PATCH', 'PUT', 'DELETE']
  PAGINATION = False
  lookup_url = 'regex("[\.\w-]+")'
  
  
  class ResourceSchema(object):
      machine_schema = {
          'hostname': {
              'type': 'string',
              'required': True,
              'unique': True
          },
          'owner': {
              'type': 'string'
          },
          'state': {
              'type': 'string',
              'required': True,
              'allowed': ["pxe", "pxe_failed", "idle", "in_use", "needs_repair"]
          },
          'job_id': {
              'type': 'string'
          },
          'tags': {
              'type': 'dict'
          }
      }
  
      address_schema = {
          'address': {
              'type': 'string',
              'required': True,
              'unique': True
          },
          'owner': {
              'type': 'string'
          },
          'tags': {
              'type': 'dict'
          }
      }
  
      machines = {
          'item_title': 'machine',
          'additional_lookup': {
              'url': lookup_url,
              'field': 'hostname'
          },
          'schema': machine_schema
      }
  
      public_addresses = {
          'item_title': 'public-address',
          'additional_lookup': {
              'url': lookup_url,
              'field': 'address'
          },
          'schema': address_schema
      }
  
      private_addresses = {
          'item_title': 'private-address',
          'additional_lookup': {
              'url': lookup_url,
              'field': 'address'
          },
          'schema': address_schema
      }
  
  
  schema = ResourceSchema()
  DOMAIN = {
      'machines': schema.machines,
      'public-addresses': schema.public_addresses,
      'private-addresses': schema.private_addresses
  }
  
subject: Fix PEP8