diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c838c73..5f4e526 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
       with:
-        python-version: '3.11'
+        python-version: '3.13'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
diff --git a/geodepy/tests/test_convert.py b/geodepy/tests/test_convert.py
index 8f96ae2..21c3bd5 100644
--- a/geodepy/tests/test_convert.py
+++ b/geodepy/tests/test_convert.py
@@ -72,11 +72,11 @@ def test_geo_grid_transform_interoperability(self):
                                          dtype='S4,i4,f8,f8',
                                          names=['site', 'zone', 'east', 'north'])
 
-        geoed_grid = np.array(list(grid2geo(*x) for x in test_grid_coords[['zone', 'east', 'north']]))
+        geoed_grid = np.array([grid2geo(*x) for x in test_grid_coords[['zone', 'east', 'north']]])
         np.testing.assert_almost_equal(geoed_grid[:, :2], hp2dec_v(np.array(test_geo_coords[['lat', 'lon']].tolist())),
                                        decimal=8)
 
-        gridded_geo = np.stack(geo2grid(*x) for x in hp2dec_v(np.array(test_geo_coords[['lat', 'lon']].tolist())))
+        gridded_geo = np.stack([geo2grid(*x) for x in hp2dec_v(np.array(test_geo_coords[['lat', 'lon']].tolist()))])
         np.testing.assert_almost_equal(gridded_geo[:, 2:4].astype(float),
                                        np.array(test_grid_coords[['east', 'north']].tolist()),
                                        decimal=3)
@@ -93,11 +93,14 @@ def test_geo_grid_transform_interoperability_isg(self):
                                          dtype='S4,i4,f8,f8',
                                          names=['site', 'zone', 'east', 'north'])
 
-        geoed_grid = np.array(list(grid2geo(*x, ellipsoid=ans, prj=isg) for x in test_grid_coords[['zone', 'east', 'north']]))
+        geoed_grid = np.array([grid2geo(*x, ellipsoid=ans, prj=isg)
+                               for x in test_grid_coords[['zone', 'east', 'north']]])
         np.testing.assert_almost_equal(geoed_grid[:, :2], np.array(test_geo_coords[['lat', 'lon']].tolist()),
                                        decimal=8)
 
-        gridded_geo = np.stack(geo2grid(*x, ellipsoid=ans, prj=isg) for x in np.array(test_geo_coords[['lat', 'lon']].tolist()))
+        gridded_geo = np.stack([geo2grid(*x, ellipsoid=ans, prj=isg)
+                                for x in np.array(test_geo_coords[['lat', 'lon']].tolist())
+                                ])
         np.testing.assert_almost_equal(gridded_geo[:, 2:4].astype(float),
                                        np.array(test_grid_coords[['east', 'north']].tolist()),
                                        decimal=3)
diff --git a/geodepy/transform.py b/geodepy/transform.py
index f37ff60..c41c772 100644
--- a/geodepy/transform.py
+++ b/geodepy/transform.py
@@ -58,9 +58,9 @@ def conform7(x, y, z, trans, vcv=None):
     # Conformal Transform Eq
     xyz_after = translation + scale * rot_xyz
     # Convert Vector to Separate Variables
-    xtrans = float(xyz_after[0])
-    ytrans = float(xyz_after[1])
-    ztrans = float(xyz_after[2])
+    xtrans = float(xyz_after[0][0])
+    ytrans = float(xyz_after[1][0])
+    ztrans = float(xyz_after[2][0])
 
     # Transformation uncertainty propagation
     # Adapted from Harvey B.R. (1998) Practical least squares and statistics for surveyors,