====================================================== FAILURES =======================================================
____________________________________________ VectorTests.test_coord_space _____________________________________________
TypeError: only 0-dimensional arrays can be converted to Python scalars

The above exception was the direct cause of the following exception:

self = <test_PDB_vectors.VectorTests testMethod=test_coord_space>

    def test_coord_space(self):
        """Confirm can generate coordinate space transform for 3 points."""
        # start with 3 points already aligned to axes
        point_set = (
            np.array([[2.0], [0.0], [2.0], [1.0]]),
            np.array([[0.0], [0.0], [0.0], [1.0]]),
            np.array([[0.0], [0.0], [2.0], [1.0]]),
        )
        # confirm get id matrix to transform to/from coord space
        homog_id = np.array([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]])
>       mtxs = coord_space(point_set[0], point_set[1], point_set[2], True)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Tests\test_PDB_vectors.py:208:
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
Bio\PDB\vectors.py:559: in coord_space
    set_homog_trans_mtx(-a1[0], -a1[1], -a1[2], tm)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

x = array([-0.]), y = array([-0.]), z = array([-0.])
mtx = array([[1., 0., 0., 0.],
       [0., 1., 0., 0.],
       [0., 0., 1., 0.],
       [0., 0., 0., 1.]])

    def set_homog_trans_mtx(x: float, y: float, z: float, mtx: np.ndarray):
        """Update existing translation matrix to new values."""
>       mtx[0][3] = x
        ^^^^^^^^^
E       ValueError: setting an array element with a sequence.

Bio\PDB\vectors.py:475: ValueError
=============================================== short test summary info ===============================================
FAILED Tests/test_PDB_vectors.py::VectorTests::test_coord_space - ValueError: setting an array element with a sequence.
================================================== 1 failed in 1.86s ==================================================

=========================================== 1 passed, 126 warnings in 3.41s ===========================================