def initialize( self, instance, memberName, kwargs ):
      """: Set the named property to the default value.

      = INPUT VARIABLES
      - instance    The class instance that contains the property to be set.
      - memberName  The name of the member to be set to the default value.
      - kwargs      A dictionary of possible initial values to search for an
                    initial value to use for this property.  If a value is
                    found for this property, it will be removed from the
                    dictionary.
      """
      # Determine the initial value
      if kwargs in memberName:
         value = kwargs.pop( memberName )
      else:
         # We must create a copy of the default value, otherwise we
         # might accidentally change the default value.  This is
         # particularly true if the default is a container object.
         value = copy( self.default )

      # Set the new copy as an instance member.
      # This will end up calling __set__.
      setattr( instance, memberName, value )

   #-----------------------------------------------------------------------
dataset/ETHPy150Open nasa/mplStyle/mplStyle/types/StyleProperty.py/StyleProperty.initialize/swapped operands of `in`