diff -r 2979f5ce6a0c lib/Django-1.5/django/template/base.py
--- a/lib/Django-1.5/django/template/base.py	Fri Jul 17 14:29:12 2015 -0700
+++ b/lib/Django-1.5/django/template/base.py	Tue Aug 25 14:17:04 2015 +0300
@@ -1,8 +1,9 @@
 from __future__ import absolute_import, unicode_literals
 
 import re
+import sys
 from functools import partial
-from inspect import getargspec
+import inspect
 
 from django.conf import settings
 from django.template.context import (Context, RequestContext,
@@ -71,6 +72,31 @@
 # uninitialised.
 invalid_var_format_string = None
 
+def getargspec(func):
+    if sys.version_info[0] < 3 or (sys.version_info[0] == 3 and sys.version_info[1] < 6):
+        return inspect.getargspec(func)
+
+    sig = inspect.signature(func)
+    args = [
+        p.name for p in sig.parameters.values()
+        if p.kind == inspect.Parameter.POSITIONAL_OR_KEYWORD
+    ]
+    varargs = [
+        p.name for p in sig.parameters.values()
+        if p.kind == inspect.Parameter.VAR_POSITIONAL
+    ]
+    varargs = varargs[0] if varargs else None
+    varkw = [
+        p.name for p in sig.parameters.values()
+        if p.kind == inspect.Parameter.VAR_KEYWORD
+    ]
+    varkw = varkw[0] if varkw else None
+    defaults = [
+        p.default for p in sig.parameters.values()
+        if p.kind == inspect.Parameter.POSITIONAL_OR_KEYWORD and p.default is not p.empty
+    ] or None
+    return args, varargs, varkw, defaults
+
 class TemplateSyntaxError(Exception):
     pass