Status: Valid
Owner: ----
Labels: Type-Defect Priority-Medium Parsing

New issue 3986 by [email protected]: Parser should not try to parse longs in Python 3
http://code.google.com/p/sympy/issues/detail?id=3986

This is in Python 3

In [57]: parse_expr("2log(x)", transformations=(standard_transformations+ (implicit_multiplication,)))
  File "<string>", line 1
    Integer (2l )*Symbol ('og' )*(Symbol ('x' ))
              ^
SyntaxError: invalid syntax

The parser should not put the 2l as a number in Python 3, because that is not valid there. I would expect it to give 2*log(x) instead.

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