minor fix

rcm/helpers.py

@@ -25,15 +25,15 @@ def accepts(*types, **kw):
     try:
         def decorator(f):
             def newf(*args):
-                if debug is 0:
+                if debug == 0:
                     return f(*args)
                 assert len(args) == len(types)
                 argtypes = tuple(map(type, args))
                 if argtypes != types:
                     msg = info(f.__name__, types, argtypes, 0)
-                    if debug is 1:
+                    if debug == 1:
                         print >> sys.stderr, 'TypeWarning: ', msg
-                    elif debug is 2:
+                    elif debug == 2:
                         raise TypeError(msg)
                 return f(*args)
             newf.__name__ = f.__name__