bugfix, didn't consider rfi_percent = 0 a valid RFI

rfi_percent = 0 lead to a null value in the calculated quality.

atdb/atdb/settings/dev.py

@@ -13,7 +13,7 @@ DATABASES = {
          'ENGINE': 'django.db.backends.postgresql_psycopg2',
          'USER': 'atdb_admin',
          'PASSWORD': 'atdb123',
-         'NAME': 'atdb_ldv_5oct2023',
+         'NAME': 'atdb_ldv_20nov2023',
          'HOST': 'localhost',
          'PORT': '5432',
     },