diff --git a/spack_repo/packages/dwd-icon-tools/package.py b/spack_repo/packages/dwd-icon-tools/package.py
index 3e802245ea5bb648a44515daa96da254d6cc754f..835f786ca4665a1bed79bb1b24548de77fce0c37 100644
--- a/spack_repo/packages/dwd-icon-tools/package.py
+++ b/spack_repo/packages/dwd-icon-tools/package.py
@@ -22,6 +22,8 @@
 
 from spack.package import *
 from pathlib import Path
+import os
+from urllib.parse import urlparse
 
 
 class DwdIconTools(Package):