old_contents: class Load:
      """Load object """
  
      def __init__(self, **kwargs):
          self._id = kwargs.get('id', None)
          self._timeseries = kwargs.get('timeseries', None)
          self._geom = kwargs.get('geom', None)
          self._consumption = kwargs.get('consumption', None)
  
  
  class Generator:
      """Generator object"""
  
      def __init__(self, **kwargs):
          self._id = kwargs.get('id', None)
          self._geom = kwargs.get('geom', None)
          self._nominal_capacity = kwargs.get('nominal_capacity', None)
          self._type = kwargs.get('type', None)
          self._subtype = kwargs.get('subtype', None)
          self._timeseries = kwargs.get('timeseries', None)
  
  
  class MVDisconnectingPoint:
      """Location in MV grid ring where switch disconnector is placed"""
  
      def __init__(self, **kwargs):
          self._id = kwargs.get('id', None)
          self._geom = kwargs.get('geom', None)
          self._state = kwargs.get('state', None)
  
      def open(self):
          """Toggle state to opened switch disconnector"""
          raise NotImplementedError
  
      def close(self):
          """Toggle state to closed switch disconnector"""
          raise NotImplementedError
  
  
  class BranchTee:
      """Branch tee for branching lines"""
  
      def __init__(self, **kwargs):
          self._id = kwargs.get('id', None)
          self._geom = kwargs.get('geom', None)
  
  
  class Station:
      """Station object"""
  
      def __init__(self, **kwargs):
          self._id = kwargs.get('id', None)
          self._geom = kwargs.get('geo', None)
          self._transformers = kwargs.get('transformers', None)
  
  
  class LVStation(Station):
      """LV Station object"""
  
      def __init__(self, **kwargs):
          super().__init__(**kwargs)
  
  
  class MVStation(Station):
      """MV Station object"""
  
      def __init__(self, **kwargs):
          super().__init__(**kwargs)
new_contents: class Station:
      """Station object (medium or low voltage)
  
      Represents a station, contains transformers.
  
      Attributes
      ----------
      _id : :obj:`int`
          Unique ID
      _geom : :shapely:`Shapely Point object<points>`
          Location as Shapely Point object
      _transformers : :obj:`list` of Tran
          Unique ID
      """
  
      def __init__(self, **kwargs):
          self._id = kwargs.get('id', None)
          self._geom = kwargs.get('geom', None)
          self._transformers = kwargs.get('transformers', None)
  
  
  class Load:
      """Load object
  
      Attributes
      ----------
      _id : :obj:`str`
          Name of network
      """
  
      def __init__(self, **kwargs):
          self._id = kwargs.get('id', None)
          self._timeseries = kwargs.get('timeseries', None)
          self._geom = kwargs.get('geom', None)
          self._consumption = kwargs.get('consumption', None)
  
  
  class Generator:
      """Generator object"""
  
      def __init__(self, **kwargs):
          self._id = kwargs.get('id', None)
          self._geom = kwargs.get('geom', None)
          self._nominal_capacity = kwargs.get('nominal_capacity', None)
          self._type = kwargs.get('type', None)
          self._subtype = kwargs.get('subtype', None)
          self._timeseries = kwargs.get('timeseries', None)
  
  
  class MVDisconnectingPoint:
      """Location in MV grid ring where switch disconnector is placed"""
  
      def __init__(self, **kwargs):
          self._id = kwargs.get('id', None)
          self._geom = kwargs.get('geom', None)
          self._state = kwargs.get('state', None)
  
      def open(self):
          """Toggle state to opened switch disconnector"""
          raise NotImplementedError
  
      def close(self):
          """Toggle state to closed switch disconnector"""
          raise NotImplementedError
  
  
  class BranchTee:
      """Branch tee for branching lines"""
  
      def __init__(self, **kwargs):
          self._id = kwargs.get('id', None)
          self._geom = kwargs.get('geom', None)
  
  
  
subject: modify components