Add typing import

calliope-project · Oct 23, 2023 · b0ef319 · b0ef319
1 parent e2c3028
commit b0ef319
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/calliope/core/io.py b/src/calliope/core/io.py
@@ -10,6 +10,7 @@
 """
 
 import os
+from typing import Union
 
 # We import netCDF4 before xarray to mitigate a numpy warning:
 # https://github.com/pydata/xarray/issues/7259