Comment #39 on issue 1757 by smichr: coding style
http://code.google.com/p/sympy/issues/detail?id=1757
grep for "self = " and you'll find some places where it happens in current
sympy.
I would do it when I intend to modify self and return a new value. A
trivial example, but in the spirit of the above:
def foo(self):
self += 1
if self%2:
return True
return False
I don't see the point of creating a new variable when the input one will
do...unless you are debugging and would always like to see what was input.
/c
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