number does not respect long

[averagehat]

In [32]: @contract(a='number')
    ...: def foo(a):
    ...:     return a
In [33]: foo(9999999L)
 . . . .  . . .  . 
.................. # long error outptut here
 ------- (end clauses) -------
checking: float|int|uint      for value: Instance of <type 'long'>: 9999999L   
checking: $(float|int|uint)   for value: Instance of <type 'long'>: 9999999L   
checking: number              for value: Instance of <type 'long'>: 9999999L   
Variables bound in inner context: