A strange and annoying restriction, possibly a bug. A glance by a more experienced would be nice.

[Robert Kern]

Elmo Mäntynen wrote:
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> This is the case:
> 
> 
>>>>n=(100,) tuple(*n)
> 
> 
> Traceback (most recent call last):
>   File "<pyshell#31>", line 1, in -toplevel-
>     tuple(*n)
> TypeError: iteration over non-sequence

n is a sequence. *n correctly expands. The error is that 100 is not a 
sequence; tuple() requires a sequence or an iterator. tuple(*n) is 
equivalent to tuple(100).

-- 
Robert Kern
rkern at ucsd.edu

"In the fields of hell where the grass grows high
  Are the graves of dreams allowed to die."
   -- Richard Harter