Updates:
        Status: Accepted
        Labels: Milestone-Release0.7.2

Comment #6 on issue 2619 by asmeurer: Should we give a better error message on unsupported versions of Python?
http://code.google.com/p/sympy/issues/detail?id=2619

Exactly. If the Python 3 port is not ready by the next release, we should add a note to __init__.py. And similarly for Python 2.4, someone might think it is a bug, maybe not even realizing that they are running it in Python 2.4. Right now, they would see

Traceback (most recent call last):
  File "<stdin>", line 1, in ?
  File "sympy/__init__.py", line 20, in ?
    from sympy.core import *
  File "sympy/core/__init__.py", line 4, in ?
    from sympify import sympify
  File "sympy/core/sympify.py", line 5, in ?
    from core import all_classes as sympy_classes
  File "sympy/core/core.py", line 2, in ?
    from sympy.core.compatibility import cmp
  File "sympy/core/compatibility.py", line 160
    r = n if r is None else r

So I'm 100% convinced that we should do this. For Python 3.0, let's wait until the port is finished, and see how things work there.

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