Spritemapper on Windows w/ Python 2.7.8 not working

[osirion]

Hey guys.
First time using this - but having no luck:

1. Installed Python for windows 2.7.8
2. Set paths of pythong / scripts in PATH var
3. Tried running and then this happened:

C:\Python27\Scripts>spritemapper c:\z\css\global.css
Traceback (most recent call last):
File "C:\Python27\Scripts\spritemapper-script.py", line 8, in
load_entry_point('spritemapper==1.0.0', 'console_scripts', 'spritemapper')()
File "C:\Python27\lib\site-packages\spritecss\main.py", line 141, in main
spritemap([css_cls.open_file(fn, conf=conf) for fn in args], conf=conf)
File "C:\Python27\lib\site-packages\spritecss\main.py", line 33, in open_file
return cls(fname, conf=CSSConfig(p, base=conf, fname=fname))
File "C:\Python27\lib\site-packages\spritecss\config.py", line 28, in init
self._data.update(iter_css_config(parser))
File "C:\Python27\lib\site-packages\spritecss\config.py", line 17, in iter_css_config
for ev in iter_events(parser, lexemes=("comment",)):
File "C:\Python27\lib\site-packages\spritecss\css\parser.py", line 43, in iter_events
self._emit_events()
File "C:\Python27\lib\site-packages\spritecss\css\parser.py", line 410, in _emit_events
self.state = self.evaluate()
File "C:\Python27\lib\site-packages\spritecss\css\parser.py", line 429, in evaluate
new = h(st)
File "C:\Python27\lib\site-packages\spritecss\css\parser.py", line 490, in _handle_declaration
"missing semicolon?" % (st,))
RuntimeError: unconsumed declaration in <CSSParseState handler=<bound method CSSParser._handle_declaration of <spritecss.css.parser.CSSParse
r object at 0x0000000002E362B0>>, prev=None, counter=42, tokens=<generator object _css_tokenizer_lineno at 0x0000000002E2DD38>, token=Token(
'block_end', '}', line_no=16, col_no=22), selector='.f_right ', declaration='float:right', at_rule='', comment='', whitespace=''>, missing s
emicolon?