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-rw-r--r--polymatrix/expression/impl.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/polymatrix/expression/impl.py b/polymatrix/expression/impl.py
index 91bab0c..03b4c2c 100644
--- a/polymatrix/expression/impl.py
+++ b/polymatrix/expression/impl.py
@@ -174,6 +174,9 @@ class FromNumpyExprImpl(FromNumpyExprMixin):
class FromSympyExprImpl(FromSympyExprMixin):
data: sympy.Expr | sympy.Matrix | tuple[tuple[sympy.Expr]]
+ def __str__(self):
+ return f"FromSympy({self.data})"
+
@dataclassabc.dataclassabc(frozen=True)
class FromSymmetricMatrixExprImpl(FromSymmetricMatrixExprMixin):