diff --git a/lib/gen_plug_in_utils.py b/lib/gen_plug_in_utils.py
index 7ec2088..0cf3262 100755
--- a/lib/gen_plug_in_utils.py
+++ b/lib/gen_plug_in_utils.py
@@ -288,7 +288,7 @@
     default_value = os.environ.get(package_var_name, None)
     if default_value is not None:
         # A package-name version of the variable was found so return its value.
-        return(default_value)
+        return (default_value)
 
     plug_var_name = PLUG_VAR_PREFIX + "_OVERRIDE_" + var_name
     default_value = os.environ.get(plug_var_name, None)