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Make SympyExpression iterable #8

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Make SympyExpression iterable #8

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5 changes: 4 additions & 1 deletion mathics/core/convert/sympy.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@
Converts expressions from SymPy to Mathics expressions.
Conversion to SymPy is handled directly in BaseElement descendants.
"""
from typing import TYPE_CHECKING, Dict, List, Optional, Sequence, Tuple, Union, cast
from typing import TYPE_CHECKING, Dict, Iterator, List, Optional, Sequence, Tuple, Union, cast

import sympy
from sympy import Symbol as Sympy_Symbol, false as SympyFalse, true as SympyTrue
Expand Down Expand Up @@ -207,6 +207,9 @@ def is_commutative(self, value: bool) -> None:
def __str__(self) -> str:
return f"{super().__str__()}[{self.expr}])"

def __iter__(self) -> Iterator:
return iter(self.args)


class SympyPrime(sympy.Function):
"""
Expand Down