use bultin mock module

Author: Jaquier Aurélien Tristan

bluepyopt/tests/test_deapext/test_algorithms.py

@@ -1,7 +1,7 @@
 """bluepyopt.optimisations tests"""
 
 import numpy
-import mock
+from unittest import mock
 
 import deap.creator
 import deap.benchmarks
@@ -75,7 +75,7 @@ def test_eaAlphaMuPlusLambdaCheckpoint_with_checkpoint():
 
     with mock.patch('pickle.dump'):
         with mock.patch('bluepyopt.deapext.algorithms.open',
-                        return_value=None):
+                        mock.mock_open()):
             population, hof, logbook, history = \
                 bluepyopt.deapext.algorithms.eaAlphaMuPlusLambdaCheckpoint(
                     population=population,
@@ -99,7 +99,7 @@ def test_eaAlphaMuPlusLambdaCheckpoint_with_checkpoint():
                                                  'rndstate': random.getstate(),
                                                  'generation': 1}):
         with mock.patch('bluepyopt.deapext.algorithms.open',
-                        return_value=None):
+                        mock.mock_open()):
             new_population, hof, logbook, history = \
                 bluepyopt.deapext.algorithms.eaAlphaMuPlusLambdaCheckpoint(
                     population=population,

bluepyopt/tests/test_ephys/test_simulators.py

@@ -27,7 +27,7 @@
 import pytest
 import numpy
 
-import mock
+from unittest import mock
 import numpy
 
 import bluepyopt.ephys as ephys

tox.ini

@@ -18,7 +18,6 @@ extras = tests
 deps =
     coverage
     flake8
-    mock
     neuron-nightly
     sh
     pytest-cov