code: def iswhsp(string):
      
      string = stypes.stringToCharP(string)
      return bool(libspice.iswhsp_c(string))
docs: Return a boolean value indicating whether a string contains
      only white space characters.
  
      http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/iswhsp_c.html
  
      :param string: String to be tested.
      :type string: str
      :return:
              the boolean value True if the string is empty or contains
              only white space characters; otherwise it returns the value False.
      :rtype: bool