fix the 3.8, 3.9 issue

Hekstra-Lab · Apr 30, 2024 · e6122f9 · e6122f9
1 parent 4831f71
commit e6122f9
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/SFC_Torch/symmetry.py b/SFC_Torch/symmetry.py
@@ -3,7 +3,7 @@
 import torch
 import reciprocalspaceship as rs
 import pandas as pd
-from typing import Optional, List
+from typing import Optional, List, Union
 
 ccp4_hkl_asu = [
     0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,  2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
@@ -275,7 +275,7 @@ def asu2p1_torch(atom_pos_orth, unitcell, spacegroup,
         return sym_oped_pos_orth
 
 
-def get_polar_axis(spacegroup : gemmi.SpaceGroup) -> List[int] | None:
+def get_polar_axis(spacegroup : gemmi.SpaceGroup) -> Optional[List[int]]:
     """
     Return list of polar axis of a spacegroup