remove __future__ imports

Author: Jaquier Aurélien Tristan

bluepyopt/deapext/tools/selIBEA.py

@@ -1,7 +1,5 @@
 """IBEA selector"""
 
-from __future__ import division
-
 from past.builtins import xrange  # pylint: disable=W0622
 
 """

bluepyopt/ephys/serializer.py

@@ -1,8 +1,4 @@
 '''Mixin class to make dictionaries'''
-from __future__ import unicode_literals
-from __future__ import print_function
-from __future__ import division
-from __future__ import absolute_import
 
 # Disabling lines below, generate error when loading ephys.examples
 # from future import standard_library

bluepyopt/ipyp/bpopt_tasksdb.py

@@ -1,7 +1,5 @@
 """Get stats out of ipyparallel's tasks.db"""
 
-from __future__ import print_function
-
 """
 Copyright (c) 2016-2020, EPFL/Blue Brain Project
 

examples/graupnerbrunelstdp/run_fit.py

@@ -2,8 +2,6 @@
 
 # pylint: disable=R0914
 
-from __future__ import print_function
-
 import pickle
 import bluepyopt as bpop
 import matplotlib.pyplot as plt