Switched to tuple for python 2.6 compatibility

2015-01-13 15:30:18 -05:00
parent 504369900a
commit a85eceff3b
1 changed files with 2 additions and 2 deletions
--- a/pint/util.py
+++ b/pint/util.py
@@ -623,7 +623,7 @@ def to_units_container(unit_like, registry=None):
    elif dict in mro:
        return UnitsContainer(unit_like)

-_prefixes = {'atto',
+_prefixes = ('atto',
            'exa',
            'femto',
            'giga',
@@ -650,7 +650,7 @@ _prefixes = {'atto',
            'pebi',
            'exbi',
            'zebi',
-            'yobi'}
+            'yobi')

 _prefixes_regex = '^('+'|'.join(_prefixes)+')+'
 _find_prefixes = re.compile(_prefixes_regex)