Comment #15 on issue 1456 by smi...@gmail.com: use pyflakes to identify
simple bugs in sympy and fix them
http://code.google.com/p/sympy/issues/detail?id=1456
There are still many undefined variables which is bad: this means that an
error is waiting to happen in code that is not being tested.
e.g.
sympy/benchmarks/bench_meijerint.py:7: W802 undefined
name 'inverse_fourier_transform'
sympy/benchmarks/bench_meijerint.py:8: W802 undefined
name 'inverse_laplace_transform'
sympy/benchmarks/bench_meijerint.py:9: W802 undefined
name 'inverse_mellin_transform'
sympy/categories/diagram_drawing.py:2082: W802 undefined name 'obj'
sympy/core/tests/test_function.py:231: W802 undefined name 'oo'
And there is a lot of cruft in terms of unused variables which is less
critical but could be a good place for beginners to start.
e.g.
sympy/abc.py:1: W402 'Symbol' imported but unused
it's in an exec
sympy/galgebra/GA.py:2249: W806 redefinition of function 'div' from line
2238
sympy/galgebra/tests/test_GA.py:83: W806 local variable 'Bsq' is assigned
to but never used
sympy/galgebra/tests/test_GA.py:116: W806 local variable 'e' is assigned to
but never used
I don't know if this issue will ever close. These things crop up like weeds
unless the pep8/pyflakes/flake8 tools are not used regularly.
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