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fix: deepcopy #257

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fix: deepcopy #257

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4 changes: 0 additions & 4 deletions quantities/quantity.py
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Original file line number Diff line number Diff line change
Expand Up @@ -804,10 +804,6 @@ def __reduce__(self):
(self.__class__, np.ndarray, (0, ), 'b', ),
state)

def __deepcopy__(self, memo_dict):
# constructor copies by default
return Quantity(self.magnitude, self.dimensionality)


def _reconstruct_quantity(subtype, baseclass, baseshape, basetype,):
"""Internal function that builds a new MaskedArray from the
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9 changes: 9 additions & 0 deletions quantities/tests/test_persistence.py
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,15 @@ def test_copy_quantity(self):
y = copy.copy(x)
self.assertQuantityEqual(x, y)

def test_deepcopy_quantity(self):
x = [1, 2, 3] * pq.m
y = copy.deepcopy(x)
self.assertQuantityEqual(x, y)

y[0] = 100 * pq.m
self.assertQuantityEqual(x, [1, 2, 3] * pq.m)


def test_copy_uncertainquantity(self):
for dtype in [float, object]:
x = UncertainQuantity(20, 'm', 0.2).astype(dtype)
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