improve readability
diff --git a/reclass/settings.py b/reclass/settings.py
index 7e0f7ee..af804dc 100644
--- a/reclass/settings.py
+++ b/reclass/settings.py
@@ -1,23 +1,23 @@
-import reclass.defaults
 import reclass.values.parser_funcs
+from reclass.defaults import *
 
 class Settings(object):
 
     def __init__(self, options={}):
-        self.allow_scalar_over_dict = options.get('allow_scalar_over_dict', reclass.defaults.ALLOW_SCALAR_OVER_DICT)
-        self.allow_scalar_over_list = options.get('allow_scalar_over_list', reclass.defaults.ALLOW_SCALAR_OVER_LIST)
-        self.allow_list_over_scalar = options.get('allow_list_over_scalar', reclass.defaults.ALLOW_LIST_OVER_SCALAR)
-        self.allow_dict_over_scalar = options.get('allow_dict_over_scalar', reclass.defaults.ALLOW_DICT_OVER_SCALAR)
-        self.automatic_parameters = options.get('automatic_parameters', reclass.defaults.AUTOMATIC_RECLASS_PARAMETERS)
-        self.default_environment = options.get('default_environment', reclass.defaults.DEFAULT_ENVIRONMENT)
-        self.delimiter = options.get('delimiter', reclass.defaults.PARAMETER_INTERPOLATION_DELIMITER)
-        self.dict_key_override_prefix = options.get('dict_key_override_prefix', reclass.defaults.PARAMETER_DICT_KEY_OVERRIDE_PREFIX)
-        self.escape_character = options.get('escape_character', reclass.defaults.ESCAPE_CHARACTER)
-        self.export_sentinels = options.get('export_sentinels', reclass.defaults.EXPORT_SENTINELS)
-        self.inventory_ignore_failed_node = options.get('inventory_ignore_failed_node', reclass.defaults.INVENTORY_IGNORE_FAILED_NODE)
-        self.inventory_ignore_failed_render = options.get('inventory_ignore_failed_render', reclass.defaults.INVENTORY_IGNORE_FAILED_RENDER)
-        self.reference_sentinels = options.get('reference_sentinels', reclass.defaults.REFERENCE_SENTINELS)
-        self.ignore_class_notfound = options.get('ignore_class_notfound', reclass.defaults.IGNORE_CLASS_NOTFOUND)
+        self.allow_scalar_over_dict = options.get('allow_scalar_over_dict', ALLOW_SCALAR_OVER_DICT)
+        self.allow_scalar_over_list = options.get('allow_scalar_over_list', ALLOW_SCALAR_OVER_LIST)
+        self.allow_list_over_scalar = options.get('allow_list_over_scalar', ALLOW_LIST_OVER_SCALAR)
+        self.allow_dict_over_scalar = options.get('allow_dict_over_scalar', ALLOW_DICT_OVER_SCALAR)
+        self.automatic_parameters = options.get('automatic_parameters', AUTOMATIC_RECLASS_PARAMETERS)
+        self.default_environment = options.get('default_environment', DEFAULT_ENVIRONMENT)
+        self.delimiter = options.get('delimiter', PARAMETER_INTERPOLATION_DELIMITER)
+        self.dict_key_override_prefix = options.get('dict_key_override_prefix', PARAMETER_DICT_KEY_OVERRIDE_PREFIX)
+        self.escape_character = options.get('escape_character', ESCAPE_CHARACTER)
+        self.export_sentinels = options.get('export_sentinels', EXPORT_SENTINELS)
+        self.inventory_ignore_failed_node = options.get('inventory_ignore_failed_node', INVENTORY_IGNORE_FAILED_NODE)
+        self.inventory_ignore_failed_render = options.get('inventory_ignore_failed_render', INVENTORY_IGNORE_FAILED_RENDER)
+        self.reference_sentinels = options.get('reference_sentinels', REFERENCE_SENTINELS)
+        self.ignore_class_notfound = options.get('ignore_class_notfound', OPT_IGNORE_CLASS_NOTFOUND)
 
         self.ref_parser = reclass.values.parser_funcs.get_ref_parser(self.escape_character, self.reference_sentinels, self.export_sentinels)
         self.simple_ref_parser = reclass.values.parser_funcs.get_simple_ref_parser(self.escape_character, self.reference_sentinels, self.export_sentinels)