Spyce exception

File:doc.spy
Message:
  tail.spi:16, in (main): 
    =`time.gmtime()[0]`[-2:]
TypeError: function requires at least one argument
Stack: doc.spy:292, in (main):
toc.n('Design Goals', 'intro_design')
/home/chip/tmp/rpm/spyce-1.3.13/modules/toc.py:89, in next:
self._emit(self.node, self.fDOC_END)
/home/chip/tmp/rpm/spyce-1.3.13/modules/toc.py:229, in _emit:
if f: s = f(node.depth, tag, numbering, data)
doc.spy:158, in toc_docEnd:
    emitFooter(tag)
doc.spy:109, in emitFooter:
  include.spyce('inc/tail.spi')
/home/chip/tmp/rpm/spyce-1.3.13/modules/include.py:37, in spyce:
result = s.spyceProcess()
../spyce.py:452, in spyceProcess:
exec '_spyce_result = apply(_spyce_process, _spyce_args, _spyce_kwargs)' in dict
<string>:1, in ?:
None
/home/chip/tmp/rpm/spyce-1.3.13/docs/inc/static.spi:8, in (main):