Single line #def ending in #slurp causes compilation error

[asottile]

Not sure what this is supposed to do, but it certainly shouldn't stacktrace!

#def f(): #slurp

$ cheetah-compile test.tmpl
Compiling test.tmpl
Traceback (most recent call last):
  File "/nail/home/asottile/pg/yelp-main/virtualenv_run/bin/cheetah-compile", line 11, in <module>
    sys.exit(main())
  File "/nail/home/asottile/pg/yelp-main/virtualenv_run/lib/python2.7/site-packages/Cheetah/cheetah_compile.py", line 91, in main
    compile_all(sys.argv[1:])
  File "/nail/home/asottile/pg/yelp-main/virtualenv_run/lib/python2.7/site-packages/Cheetah/cheetah_compile.py", line 87, in compile_all
    compile_template(filename)
  File "/nail/home/asottile/pg/yelp-main/virtualenv_run/lib/python2.7/site-packages/Cheetah/cheetah_compile.py", line 20, in compile_template
    return compile_file(filename, **kwargs)
  File "/nail/home/asottile/pg/yelp-main/virtualenv_run/lib/python2.7/site-packages/Cheetah/compile.py", line 50, in compile_file
    compiled_source = compile_source(contents, **kwargs)
  File "/nail/home/asottile/pg/yelp-main/virtualenv_run/lib/python2.7/site-packages/Cheetah/compile.py", line 33, in compile_source
    return compiler.getModuleCode()
  File "/nail/home/asottile/pg/yelp-main/virtualenv_run/lib/python2.7/site-packages/Cheetah/legacy_compiler.py", line 547, in getModuleCode
    self._parser.parse()
  File "/nail/home/asottile/pg/yelp-main/virtualenv_run/lib/python2.7/site-packages/Cheetah/legacy_parser.py", line 153, in inner
    return func(self, *args, **kwargs)
  File "/nail/home/asottile/pg/yelp-main/virtualenv_run/lib/python2.7/site-packages/Cheetah/legacy_parser.py", line 435, in parse
    self.eatDirective()
  File "/nail/home/asottile/pg/yelp-main/virtualenv_run/lib/python2.7/site-packages/Cheetah/legacy_parser.py", line 477, in eatDirective
    directiveParser()
  File "/nail/home/asottile/pg/yelp-main/virtualenv_run/lib/python2.7/site-packages/Cheetah/legacy_parser.py", line 642, in eatDef
    self._eatDefOrBlock('def')
  File "/nail/home/asottile/pg/yelp-main/virtualenv_run/lib/python2.7/site-packages/Cheetah/legacy_parser.py", line 678, in _eatDefOrBlock
    endPos=endOfFirstLinePos,
  File "/nail/home/asottile/pg/yelp-main/virtualenv_run/lib/python2.7/site-packages/Cheetah/legacy_parser.py", line 721, in _eatSingleLineDef
    self.parse(breakPoint=endPos)
  File "/nail/home/asottile/pg/yelp-main/virtualenv_run/lib/python2.7/site-packages/Cheetah/legacy_parser.py", line 160, in inner
    sys.exc_info()[2],
  File "/nail/home/asottile/pg/yelp-main/virtualenv_run/lib/python2.7/site-packages/Cheetah/legacy_parser.py", line 153, in inner
    return func(self, *args, **kwargs)
  File "/nail/home/asottile/pg/yelp-main/virtualenv_run/lib/python2.7/site-packages/Cheetah/legacy_parser.py", line 435, in parse
    self.eatDirective()
  File "/nail/home/asottile/pg/yelp-main/virtualenv_run/lib/python2.7/site-packages/Cheetah/legacy_parser.py", line 477, in eatDirective
    directiveParser()
  File "/nail/home/asottile/pg/yelp-main/virtualenv_run/lib/python2.7/site-packages/Cheetah/legacy_parser.py", line 774, in eatSlurp
    self.readToEOL(gobble=True)
  File "/nail/home/asottile/pg/yelp-main/virtualenv_run/lib/python2.7/site-packages/Cheetah/SourceReader.py", line 126, in readToEOL
    return self.readTo(to=pos, start=start)
  File "/nail/home/asottile/pg/yelp-main/virtualenv_run/lib/python2.7/site-packages/Cheetah/SourceReader.py", line 114, in readTo
    self.checkPos(to)
  File "/nail/home/asottile/pg/yelp-main/virtualenv_run/lib/python2.7/site-packages/Cheetah/SourceReader.py", line 73, in checkPos
    pos, self._breakPoint - 1
Cheetah.legacy_parser.ParseError: 

AssertionError: pos (17) is invalid: beyond the stream's end (15)

Line 1, column 11

Line|Cheetah Code
----|-------------------------------------------------------------
1   |#def f(): #slurp
               ^