Update manage.py

manage.py

@@ -1,17 +1,39 @@
 #!/usr/bin/env python
+"""
+Entry point for running Django management commands.
+
+This script sets the default Django settings module and
+executes command line instructions using Django's
+management utility.
+"""
+
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
-#
-# Copyright (c) 2021-present Kaleidos INC
 
+# Copyright (c) 2021-present Kaleidos INC
 
 import os
 import sys
 
-if __name__ == "__main__":
+
+def main():
+    """
+    Configure Django settings and run management commands.
+    """
+    # Set default settings module for the Django project
     os.environ.setdefault("DJANGO_SETTINGS_MODULE", "settings.common")
 
-    from django.core.management import execute_from_command_line
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Django is not installed or not available in the environment."
+        ) from exc
 
+    # Execute command-line arguments
     execute_from_command_line(sys.argv)
+
+
+if __name__ == "__main__":
+    main()