diff --git a/mpsd-software.py b/mpsd-software.py
index 9da9960bc1d8d89578db65b1c9fad10349f976ec..2cc88398068623847a64002079953e73496b4520 100755
--- a/mpsd-software.py
+++ b/mpsd-software.py
@@ -1007,13 +1007,14 @@ def remove_environment(mpsd_release, root_dir, package_sets="NONE", force_remove
                 sys.exit(0)
     for package_set in package_sets:
         # we load the spack environment and remove the package_set
-        spack_env = ''
+        spack_env = ""
         commands_to_execute = [
             f"source {spack_env}",
             f"spack env remove -y {package_set}",
         ]
         run(" && ".join(commands_to_execute), shell=True, check=True)
 
+
 def start_new_environment(release, from_release, target_dir):
     """Start new MPSD software environment version."""
     msg = f"Starting new release {release} from {from_release} to {target_dir}"