old_contents: from analyzere.base_resources import (
      DataResource,
      EmbeddedResource,
      EventCatalogResource,
      MetricsResource,
      OptimizationResource,
      Resource,
      load_reference,
      to_dict,
  )
  from analyzere.requestor import request
  
  
  # Shared embedded resources
  
  class MonetaryUnit(EmbeddedResource):
      def __init__(self, value, currency, **kwargs):
          super(MonetaryUnit, self).__init__(value=value, currency=currency,
                                             **kwargs)
  
  
  # Event catalogs
  
  class EventCatalog(EventCatalogResource):
      pass
  
  
  # Exchange rate tables
  
  class ExchangeRateTable(DataResource):
      pass
  
  
  class ExchangeRateSelectionRule(EmbeddedResource):
      pass
  
  
  class ExchangeRateProfile(Resource):
      pass
  
  
  # Distributions
  
  class Distribution(DataResource):
      pass
  
  
  # Loss sets
  
  class LossSet(DataResource):
      pass
  
  
  class LossSetProfile(EmbeddedResource):
      pass
  
  
  class InuringTerms(EmbeddedResource):
      pass
  
  
  class Treaty(EmbeddedResource):
      pass
  
  
  # Layers
  
  class Fee(EmbeddedResource):
      pass
  
  
  class FeeReference(EmbeddedResource):
      # premiums
      PREMIUM = {'ref': ['layer', 'premium']}
      REINSTATEMENT_PREMIUM = {'ref': ['layer', 'reinstatement_premium']}
  
      # losses
      LOSSES = {'ref': ['layer', 'losses']}
  
      @staticmethod
      def create_from_fee_name(fee_name):
          return {'ref': ['layer', 'fees', fee_name]}
  
  
      @staticmethod
      def create_from_fee(fee):
          return {'ref': ['layer', 'fees', fee.name]}
  
  
  class Reinstatement(EmbeddedResource):
      pass
  
  
  class Layer(Resource):
      pass
  
  
  # Portfolios
  
  class Portfolio(Resource):
      pass
  
  
  # Simulations
  
  class Simulation(DataResource):
      pass
  
  
  # Loss attributes
  
  class LossAttribute(Resource):
      pass
  
  
  # Loss filters
  
  class LossFilter(Resource):
      pass
  
  
  # Layer views
  
  class LayerView(MetricsResource):
      pass
  
  
  class AnalysisProfile(Resource):
      pass
  
  
  # Portfolio views
  
  class PortfolioView(MetricsResource):
      def marginal(self, layer_views_to_add, layer_views_to_remove):
          path = 'portfolio_view_marginals'
          data = request('post', path, data={
              'portfolio_view_id': to_dict(self.reference()),
              'add_layer_view_ids': [to_dict(lv.reference()) for lv in layer_views_to_add],
              'remove_layer_view_ids': [to_dict(lv.reference()) for lv in layer_views_to_remove]
          })
          return load_reference('portfolio_views', data['portfolio_view']['ref_id'])
  
  
  class DynamicPortfolioView(MetricsResource):
      pass
  
  
  # Optimization views
  
  class OptimizationView(OptimizationResource):
      pass
  
  
  class OptimizationDomain(EmbeddedResource):
      pass
  
new_contents: from analyzere.base_resources import (
      DataResource,
      EmbeddedResource,
      EventCatalogResource,
      MetricsResource,
      OptimizationResource,
      Resource,
      load_reference,
      to_dict,
  )
  from analyzere.requestor import request
  
  
  # Shared embedded resources
  
  class MonetaryUnit(EmbeddedResource):
      def __init__(self, value, currency, **kwargs):
          super(MonetaryUnit, self).__init__(value=value, currency=currency,
                                             **kwargs)
  
  
  # Event catalogs
  
  class EventCatalog(EventCatalogResource):
      pass
  
  
  # Exchange rate tables
  
  class ExchangeRateTable(DataResource):
      pass
  
  
  class ExchangeRateSelectionRule(EmbeddedResource):
      pass
  
  
  class ExchangeRateProfile(Resource):
      pass
  
  
  # Distributions
  
  class Distribution(DataResource):
      pass
  
  
  # Loss sets
  
  class LossSet(DataResource):
      pass
  
  
  class LossSetProfile(EmbeddedResource):
      pass
  
  
  class InuringTerms(EmbeddedResource):
      pass
  
  
  class Treaty(EmbeddedResource):
      pass
  
  
  # Layers
  
  class Fee(EmbeddedResource):
      pass
  
  
  class FeeReference(EmbeddedResource):
      # premiums
      PREMIUM = {'ref': ['layer', 'premium']}
      REINSTATEMENT_PREMIUM = {'ref': ['layer', 'reinstatement_premium']}
  
      # losses
      LOSSES = {'ref': ['layer', 'losses']}
  
      @staticmethod
      def create_from_fee_name(fee_name):
          return {'ref': ['layer', 'fees', fee_name]}
  
      @staticmethod
      def create_from_fee(fee):
          return {'ref': ['layer', 'fees', fee.name]}
  
  
  class Reinstatement(EmbeddedResource):
      pass
  
  
  class Layer(Resource):
      pass
  
  
  # Portfolios
  
  class Portfolio(Resource):
      pass
  
  
  # Simulations
  
  class Simulation(DataResource):
      pass
  
  
  # Loss attributes
  
  class LossAttribute(Resource):
      pass
  
  
  # Loss filters
  
  class LossFilter(Resource):
      pass
  
  
  # Layer views
  
  class LayerView(MetricsResource):
      pass
  
  
  class AnalysisProfile(Resource):
      pass
  
  
  # Portfolio views
  
  class PortfolioView(MetricsResource):
      def marginal(self, layer_views_to_add, layer_views_to_remove):
          path = 'portfolio_view_marginals'
          data = request('post', path, data={
              'portfolio_view_id': to_dict(self.reference()),
              'add_layer_view_ids': [to_dict(lv.reference()) for lv in layer_views_to_add],
              'remove_layer_view_ids': [to_dict(lv.reference()) for lv in layer_views_to_remove]
          })
          return load_reference('portfolio_views', data['portfolio_view']['ref_id'])
  
  
  class DynamicPortfolioView(MetricsResource):
      pass
  
  
  # Optimization views
  
  class OptimizationView(OptimizationResource):
      pass
  
  
  class OptimizationDomain(EmbeddedResource):
      pass
  
subject: Fix flake8 errors