diff options
Diffstat (limited to 'scss/expression.py')
| -rw-r--r-- | scss/expression.py | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/scss/expression.py b/scss/expression.py index 5ab779e..2c5ff73 100644 --- a/scss/expression.py +++ b/scss/expression.py @@ -9,7 +9,8 @@ import six import scss.config as config from scss.cssdefs import COLOR_NAMES, is_builtin_css_function, _expr_glob_re, _interpolate_re, _variable_re -from scss.types import BooleanValue, ColorValue, ListValue, Null, Undefined, NumberValue, ParserValue, String +from scss.rule import Namespace +from scss.types import BooleanValue, ColorValue, ListValue, Null, NumberValue, ParserValue, String, Undefined from scss.util import dequote, normalize_var, to_str ################################################################################ @@ -28,8 +29,11 @@ ast_cache = {} class Calculator(object): """Expression evaluator.""" - def __init__(self, namespace): - self.namespace = namespace + def __init__(self, namespace=None): + if namespace is None: + self.namespace = Namespace() + else: + self.namespace = namespace def _calculate_expr(self, result): _group0 = result.group(1) |