text: from .tprofile import TemperatureProfile
  import numpy as np
  from taurex.data.fittable import fitparam
  
  
  class Isothermal(TemperatureProfile):
      """An isothermal temperature-pressure profile
  
      Parameters
      ----------
  
      T : float
          Isothermal Temperature to set
  
      """
  
      def __init__(self, T=1500):
          super().__init__('Isothermal')
  
          self._iso_temp = T
  
      @fitparam(param_name='T',
                param_latex='$T$',
                default_fit=False,
                default_bounds=[300.0, 2000.0])
      def isoTemperature(self):
          """Isothermal temperature in Kelvin"""
          return self._iso_temp
  
      @isoTemperature.setter
      def isoTemperature(self, value):
          self._iso_temp = value
  
      @property
      def profile(self):
          """Returns an isothermal temperature profile
  
          Returns: :obj:`array`
              temperature profile
          """
  
          T = np.zeros((self.nlayers))
          T[:] = self._iso_temp
  
          return T
  
      def write(self, output):
          temperature = super().write(output)
          temperature.write_scalar('T', self._iso_temp)
          return temperature
  
  
      @classmethod
      def input_keywords(cls):
          """
          Return all input keywords
          """
          return ['isothermal', ]
  