Correct small errors

Change-Id: I7fd5a6db6da17c6914b3481ca34a5ff9f07e5f1e

setup.py

@@ -15,7 +15,8 @@
     author_email='lida.kanari@epfl.ch',
     install_requires=[
         'matplotlib>=1.3.1',
-        'morphio>=2.0.0',
+        'morphio>=2.2.0',
+        'morph-tool>=0.1.12',
         'neurom>=1.4.7',
         'tmd>=2.0.4',
         'enum34>=1.0.4',

tests/test_neuron_functional.py

@@ -13,8 +13,8 @@
 import numpy as np
 from scipy.spatial.distance import cdist
 from numpy.testing import assert_almost_equal, assert_array_almost_equal
-from nose.tools import assert_raises, assert_equal, ok_
-from morphio import Morphology
+from nose.tools import assert_raises, ok_
+from morph_tool import diff
 from tns.generate.grower import NeuronGrower
 from .utils import setup_tempdir
 import tmd
@@ -65,9 +65,7 @@ def _test_full(feature, distributions, parameters, ref_cell, ref_persistence_dia
             assert_close_persistent_diagram(actual_persistence_diagram,
                                             expected_persistence_diagram)
 
-        assert_equal(Morphology(out_neuron),
-                     Morphology(os.path.join(_path, ref_cell)))
-
+        ok_(not diff(out_neuron, os.path.join(_path, ref_cell)))
 
 
 def test_wrong_filtration():

tns/generate/grower.py

@@ -1,6 +1,7 @@
 '''
 TNS class : Grower object that contains the grower functionality.
 '''
+import copy
 from morphio.mut import Morphology  # pylint: disable=import-error
 from tns.generate.soma import SomaGrower
 from tns.morphmath import sample
@@ -26,8 +27,8 @@ def __init__(self, input_parameters, input_distributions, context=None):
         self.neuron = Morphology()
         self.context = context
 
-        self.input_parameters = input_parameters
-        self.input_distributions = input_distributions
+        self.input_parameters = copy.deepcopy(input_parameters)
+        self.input_distributions = copy.deepcopy(input_distributions)
 
         # Consistency check between parameters and distributions
         for tree_type in self.input_parameters['grow_types']: