diff -uNr fasteners-0.14.1.orig/fasteners/_utils.py fasteners-0.14.1/fasteners/_utils.py --- fasteners-0.14.1.orig/fasteners/_utils.py 2015-11-13 07:46:46.000000000 +0100 +++ fasteners-0.14.1/fasteners/_utils.py 2018-01-17 17:42:58.715726344 +0100 @@ -19,7 +19,10 @@ import logging import time -from monotonic import monotonic as now # noqa +try: + from time import monotonic as now +except ImportError: + from monotonic import monotonic as now # log level for low-level debugging BLATHER = 5 diff -uNr fasteners-0.14.1.orig/setup.py fasteners-0.14.1/setup.py --- fasteners-0.14.1.orig/setup.py 2015-11-13 07:46:46.000000000 +0100 +++ fasteners-0.14.1/setup.py 2018-01-17 17:50:26.654085344 +0100 @@ -26,8 +26,10 @@ install_requires = [ 'six', - 'monotonic>=0.1', ] +import sys +if sys.version_info < (3, 3, 0): + install_requires += ['monotonic>=0.1'] setup( name='fasteners',