diff --git a/setup.py b/setup.py
index 763ebed..3d8dc27 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@ __license__ = 'MIT License'
 
 # Default project values.
 project_name = 'spleeter'
-project_version = '2.0.2'
+project_version = '2.1.0'
 tensorflow_dependency = 'tensorflow'
 tensorflow_version = '2.3.0'
 here = path.abspath(path.dirname(__file__))
diff --git a/spleeter/separator.py b/spleeter/separator.py
index d5a7ab0..92620a0 100644
--- a/spleeter/separator.py
+++ b/spleeter/separator.py
@@ -127,6 +127,7 @@ class Separator(object):
         else:
             self._pool = None
         self._tasks = []
+        # NOTE: provide type check here ?
         self._params['stft_backend'] = stft_backend
         self._data_generator = DataGenerator()