@spiceErrorCheck<EOL>def iswhsp(string):
string = stypes.stringToCharP(string)<EOL>return bool(libspice.iswhsp_c(string))<EOL>
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