Set DJANGO_RUNSERVER_HIDE_WARNING environment variable in manage.py

Author: DjangoCRM

manage.py

@@ -5,6 +5,7 @@
 
 if __name__ == '__main__':
     os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'webcrm.settings')
+    os.environ.setdefault('DJANGO_RUNSERVER_HIDE_WARNING', 'true')
     try:
         from django.core.management import execute_from_command_line
     except ImportError as exc:
@@ -14,3 +15,4 @@
             "forget to activate a virtual environment?"
         ) from exc
     execute_from_command_line(sys.argv)
+