diff --git a/python-naive/{{ cookiecutter.__project_slug }}/{{ cookiecutter.__project_slug }}.py b/python-naive/{{ cookiecutter.__project_slug }}/{{ cookiecutter.__project_slug }}.py
index 67df9ac..6f5e8f3 100644
--- a/python-naive/{{ cookiecutter.__project_slug }}/{{ cookiecutter.__project_slug }}.py	
+++ b/python-naive/{{ cookiecutter.__project_slug }}/{{ cookiecutter.__project_slug }}.py	
@@ -33,15 +33,18 @@ class CONST(object):
     # an empty string. An example config.ini file may give a sane config example value here, removing that value
     # still results in a valid file.
     CFG_KNOWN_DEFAULTS = [
-        {"key": "self_name", "value": "{{ cookiecutter.__project_slug }}"},
-        {"key": "tmp_base_dir", "value": os.path.join(CFG_THIS_FILE_DIRNAME, "data/tmp/%(self_name)s")},
-        {"key": "state_base_dir", "value": os.path.join(CFG_THIS_FILE_DIRNAME, "data/var/lib/%(self_name)s")},
-        {"key": "state_files_dir", "value": "%(state_base_dir)s/state", "is_global": False},
-        {"key": "state_file_retention", "value": "50", "is_global": False},
-        {"key": "state_file_name_prefix", "value": "state-", "is_global": False},
-        {"key": "state_file_name_suffix", "value": ".log", "is_global": False},
-        {"key": "{{ cookiecutter.__project_slug_under }}_some_option", "value": "http://localhost:8000/api/query", "is_global": True},
-        {"key": "another_option", "value": "first", "is_global": True}
+        {"key": "self_name", "value": "{{ cookiecutter.__project_slug }}", "empty_ok": False},
+        {"key": "tmp_base_dir", "value": os.path.join(CFG_THIS_FILE_DIRNAME, "data/tmp/%(self_name)s"),
+         "empty_ok": False},
+        {"key": "state_base_dir", "value": os.path.join(CFG_THIS_FILE_DIRNAME, "data/var/lib/%(self_name)s"),
+         "empty_ok": False},
+        {"key": "state_files_dir", "value": "%(state_base_dir)s/state", "is_global": False, "empty_ok": False},
+        {"key": "state_file_retention", "value": "50", "is_global": False, "empty_ok": True},
+        {"key": "state_file_name_prefix", "value": "state-", "is_global": False, "empty_ok": True},
+        {"key": "state_file_name_suffix", "value": ".log", "is_global": False, "empty_ok": True},
+        {"key": "{{ cookiecutter.__project_slug_under }}_some_option", "value": "http://localhost:8000/api/query", "is_global": True,
+         "empty_ok": False},
+        {"key": "another_option", "value": "first", "is_global": True, "empty_ok": True}
     ]
     # In all sections other than 'default' the following settings are known and accepted. We ignore other settings.
     # Per CFG_KNOWN_DEFAULTS above most '[DEFAULT]' options are accepted by virtue of being defaults and overridable.