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-rw-r--r--jinja2/filters.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/jinja2/filters.py b/jinja2/filters.py
index d3726b3..ed1121f 100644
--- a/jinja2/filters.py
+++ b/jinja2/filters.py
@@ -18,7 +18,7 @@ from jinja2.utils import Markup, escape, pformat, urlize, soft_unicode, \
unicode_urlencode, htmlsafe_json_dumps
from jinja2.runtime import Undefined
from jinja2.exceptions import FilterArgumentError
-from jinja2._compat import imap, string_types, text_type, iteritems
+from jinja2._compat import imap, string_types, text_type, iteritems, PY2
_word_re = re.compile(r'\w+', re.UNICODE)
@@ -695,6 +695,9 @@ def do_round(value, precision=0, method='common'):
# debugging.
_GroupTuple = namedtuple('_GroupTuple', ['grouper', 'list'])
_GroupTuple.__repr__ = tuple.__repr__
+_GroupTuple.__str__ = tuple.__str__
+if not PY2:
+ _GroupTuple.__unicode__ = tuple.__unicode__
@environmentfilter
def do_groupby(environment, value, attribute):