Update Jinja2 (Python template library) to 2.7.1

third_party/jinja2/parser.py

Index: third_party/jinja2/parser.py
diff --git a/third_party/jinja2/parser.py b/third_party/jinja2/parser.py
index d44229ad0f09a562bbf67de4a5daf5d5730456ab..f60cd018c51fff457dfaea5283b78267a4a0eefd 100644
--- a/third_party/jinja2/parser.py
+++ b/third_party/jinja2/parser.py
@@ -10,8 +10,8 @@
 """
 from jinja2 import nodes
 from jinja2.exceptions import TemplateSyntaxError, TemplateAssertionError
-from jinja2.utils import next
 from jinja2.lexer import describe_token, describe_token_expr
+from jinja2._compat import next, imap
 
 
 #: statements that callinto 
@@ -53,7 +53,7 @@ class Parser(object):
     def _fail_ut_eof(self, name, end_token_stack, lineno):
         expected = []
         for exprs in end_token_stack:
-            expected.extend(map(describe_token_expr, exprs))
+            expected.extend(imap(describe_token_expr, exprs))
         if end_token_stack:
             currently_looking = ' or '.join(
                 "'%s'" % describe_token_expr(expr)
@@ -223,7 +223,7 @@ class Parser(object):
         # raise a nicer error message in that case.
         if self.stream.current.type == 'sub':
             self.fail('Block names in Jinja have to be valid Python '
-                      'identifiers and may not contain hypens, use an '
+                      'identifiers and may not contain hyphens, use an '
                       'underscore instead.')
 
         node.body = self.parse_statements(('name:endblock',), drop_needle=True)
@@ -698,7 +698,6 @@ class Parser(object):
             arg = nodes.Const(attr_token.value, lineno=attr_token.lineno)
             return nodes.Getitem(node, arg, 'load', lineno=token.lineno)
         if token.type == 'lbracket':
-            priority_on_attribute = False
             args = []
             while self.stream.current.type != 'rbracket':
                 if args: