diff options
| -rw-r--r-- | numpy/polynomial/_polybase.py | 2 | ||||
| -rw-r--r-- | numpy/polynomial/tests/test_polynomial.py | 5 |
2 files changed, 6 insertions, 1 deletions
diff --git a/numpy/polynomial/_polybase.py b/numpy/polynomial/_polybase.py index 9674dee0b..3bea91dd2 100644 --- a/numpy/polynomial/_polybase.py +++ b/numpy/polynomial/_polybase.py @@ -499,7 +499,7 @@ class ABCPolyBase(abc.ABC): ret['coef'] = self.coef.copy() ret['domain'] = self.domain.copy() ret['window'] = self.window.copy() - ret['symbol'] = self.symbol.copy() + ret['symbol'] = self.symbol return ret def __setstate__(self, dict): diff --git a/numpy/polynomial/tests/test_polynomial.py b/numpy/polynomial/tests/test_polynomial.py index a0a09fcf4..032bf0e76 100644 --- a/numpy/polynomial/tests/test_polynomial.py +++ b/numpy/polynomial/tests/test_polynomial.py @@ -5,6 +5,7 @@ from functools import reduce import numpy as np import numpy.polynomial.polynomial as poly +from copy import deepcopy from numpy.testing import ( assert_almost_equal, assert_raises, assert_equal, assert_, assert_warns, assert_array_equal, assert_raises_regex) @@ -41,6 +42,10 @@ class TestConstants: def test_polyx(self): assert_equal(poly.polyx, [0, 1]) + def test_copy(self): + x = poly.Polynomial([1, 2, 3]) + y = deepcopy(x) + assert_equal(x, y) class TestArithmetic: |