def distance_matrix(vectors):
    n_vectors = vectors.shape[0]
    result = np.empty((n_vectors, n_vectors), dtype=np.float64)

    for i in range(n_vectors):
        for j in range(i, n_vectors):
            result[i,j] = result[j,i] = np.sum(
                (vectors[j] - vectors[i]) ** 2) ** 0.5

    return result
dataset/ETHPy150Open numba/numba/numba/tests/test_array_exprs.py/distance_matrix/swapped operands of `-`