"""Definitions for the `Constant` class."""
from mosfit.modules.parameters.parameter import Parameter
# Important: Only define one ``Module`` class per file.
[docs]class Constant(Parameter):
"""Constant parameter.
`Parameter` that will throw an error if the user attempts to make the
variable free.
"""
def __init__(self, **kwargs):
"""Initialize module."""
super(Constant, self).__init__(**kwargs)
if self._min_value is not None or self._max_value is not None:
raise ValueError('`Constant` class cannot be assigned minimum and '
'maximum values!')