remove outdated imports

JuliaSprenger · JuliaSprenger · commit 60a0d9b68e97 · 2022-11-03T18:24:48.000+01:00
diff --git a/neo/test/iotest/test_nwbio.py b/neo/test/iotest/test_nwbio.py
@@ -3,8 +3,6 @@
 Tests of neo.io.nwbio
 """
 
-from __future__ import unicode_literals, print_function, division, absolute_import
-
 import os
 import unittest
 from datetime import datetime
