Attempt to fix "unsupported operand type(s) for | error" (#373)

robbibt · web-flow · commit 5af1557fa562 · 2024-12-20T01:20:17.000-05:00
diff --git a/pyTMD/math.py b/pyTMD/math.py
@@ -15,6 +15,8 @@
     Updated 12/2024: added function to calculate an aliasing frequency
     Written 11/2024
 """
+from __future__ import annotations
+
 import numpy as np
 from scipy.special import factorial
 
