Test fix

snbianco · snbianco · commit d455f4eb7d0d · 2025-01-23T19:49:50.000-05:00
diff --git a/astrocut/FITSCutout.py b/astrocut/FITSCutout.py
@@ -486,7 +486,7 @@ def _write_to_memory(self) -> List[fits.HDUList]:
 
             return cutouts_fits
 
-    def _write_as_fits(self) -> str | List[str]:
+    def _write_as_fits(self) -> Union[str, List[str]]:
         """
         Write the cutouts to a file in FITS format.
 
