remove redundant copysign tests

Author: ndgrigorian

dpctl/tests/elementwise/test_copysign.py

@@ -14,8 +14,6 @@
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
 
-import ctypes
-
 import numpy as np
 import pytest
 
@@ -59,26 +57,6 @@ def test_copysign_dtype_matrix(op1_dtype, op2_dtype):
     assert (dpt.asnumpy(r) == expected.astype(r.dtype)).all()
 
 
-@pytest.mark.parametrize("arr_dt", _real_fp_dtypes)
-def test_copysign_python_scalar(arr_dt):
-    q = get_queue_or_skip()
-    skip_if_dtype_not_supported(arr_dt, q)
-
-    X = dpt.ones((10, 10), dtype=arr_dt, sycl_queue=q)
-    py_ones = (
-        bool(1),
-        int(1),
-        float(1),
-        np.float32(1),
-        ctypes.c_int(1),
-    )
-    for sc in py_ones:
-        R = dpt.copysign(X, sc)
-        assert isinstance(R, dpt.usm_ndarray)
-        R = dpt.copysign(sc, X)
-        assert isinstance(R, dpt.usm_ndarray)
-
-
 @pytest.mark.parametrize("dt", _real_fp_dtypes)
 def test_copysign(dt):
     q = get_queue_or_skip()