Backwards Compatibility of Python versions

[Ben Wolfson]

On Sat, 02 Feb 2002 23:55:38 -0600, Joshua Macy wrote:

> try:
>      from __future__ import division
> except ImportError:
>      pass

This construct is illegal, as __future__ imports must be the first
statements in a module.

##tmp.py:
try:
    from __future__ import division
except ImportError:
    pass


##interpreter:
Python 2.2 (#1, Dec 22 2001, 14:06:34) 
[GCC 2.96 20000731 (Red Hat Linux 7.1 2.96-81)] on linux2
Type "copyright", "credits" or "license" for more information.
IDLE 0.8 -- press F1 for help
>>> import tmp
Traceback (most recent call last):
  File "<pyshell#0>", line 1, in ?
    import tmp
SyntaxError: from __future__ imports must occur at the beginning of the 
file (tmp.py, line 2) 
>>> 

-- 
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