Hi,
I was playing a bit with JSON serialization of sympy expression (in the
idea of producing a expression tree with http://bl.ocks.org/mbostock/4339083but
I doubt I'll take the time to get there) and I noticed an irregularity
with the __class__ attribute of an "evaluated function" (I guess this is
not the proper term).
>>> Function('f').__class__
sympy.core.function.UndefinedFunction
>>> Function('f')(x).__class__
f
I wonder if this was discussed before. Is there some code that relies on this
behavior ?
best,
Pierre
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