Add docstring documentation for utils.unique
@@ -95,6 +95,10 @@ def build_css_class(localized_fieldname, prefix=''):
def unique(seq):
"""
+ Returns a generator yielding unique sequence members in order
+
+ A set by itself will return unique values without any regard for order.
+
>>> list(unique([1, 2, 3, 2, 2, 4, 1]))
[1, 2, 3, 4]
"""
