diff --git a/manage.py b/manage.py
index f2fc790..6435de4 100644
--- a/manage.py
+++ b/manage.py
@@ -3,20 +3,21 @@
 import os
 import sys
 
-
 def main():
     """Run administrative tasks."""
-    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'DjangoEcommerce.settings')
+    settings_module = 'DjangoEcommerce.settings'
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', settings_module)
+
     try:
         from django.core.management import execute_from_command_line
     except ImportError as exc:
         raise ImportError(
-            "Couldn't import Django. Are you sure it's installed and "
+            f"Couldn't import Django. Are you sure it's installed and "
             "available on your PYTHONPATH environment variable? Did you "
             "forget to activate a virtual environment?"
         ) from exc
+    
     execute_from_command_line(sys.argv)
 
-
 if __name__ == '__main__':
     main()