Removed some no longer needed code from compat
diff --git a/jinja2/utils.py b/jinja2/utils.py
index ddc47da..1c71789 100644
--- a/jinja2/utils.py
+++ b/jinja2/utils.py
@@ -11,8 +11,9 @@
 import re
 import errno
 from collections import deque
+from threading import Lock
 from jinja2._compat import text_type, string_types, implements_iterator, \
-     allocate_lock, url_quote
+     url_quote
 
 
 _word_split_re = re.compile(r'(\s+)')
@@ -309,7 +310,7 @@
         self._popleft = self._queue.popleft
         self._pop = self._queue.pop
         self._remove = self._queue.remove
-        self._wlock = allocate_lock()
+        self._wlock = Lock()
         self._append = self._queue.append
 
     def __getstate__(self):