fix import reload for python<3.6

Author: Joseph Curtis

src/past/builtins/misc.py

@@ -1,6 +1,7 @@
 from __future__ import unicode_literals
 
 import inspect
+import sys
 
 from future.utils import PY2, PY3, exec_
 
@@ -43,7 +44,10 @@ def oct(number):
 
  raw_input = input
  # imp was deprecated in python 3.6
- from importlib import reload
+ if sys.version_info >= (3, 6):
+ from importlib import reload
+ else:
+ from imp import reload
  unicode = str
  unichr = chr
  xrange = range