diff --git a/bsplines2d/__init__.py b/bsplines2d/__init__.py
index e961c41..fd47b17 100644
--- a/bsplines2d/__init__.py
+++ b/bsplines2d/__init__.py
@@ -1,22 +1,15 @@
+# ###############
+# __version__
+# ###############
 
 
-from .version import __version__
+from . import _version
+__version__ = _version.version
+__version_tuple__ = _version.version_tuple
 
-# #####################
-# Debugging unit tests - START
-# #####################
-
-# import sys
-# import os
-# _PATH_HERE = os.path.dirname(__file__)
-# _PATH_PROJ = os.path.dirname(os.path.dirname(_PATH_HERE))
-# _PATH_DS = os.path.join(_PATH_PROJ, 'datastock')
-# sys.path.insert(0, _PATH_DS)
-# import datastock as ds
-# sys.path.pop(0)
 
 # ######################
-# Debugging unit tests - END
+# sub-packages
 # ######################
 
 
diff --git a/bsplines2d/tests/prepublish.py b/bsplines2d/tests/prepublish.py
index 3422791..d8d3ab4 100644
--- a/bsplines2d/tests/prepublish.py
+++ b/bsplines2d/tests/prepublish.py
@@ -1,3 +1,4 @@
-print('test import datastock')
-import datastock as ds
-print('import datastock ok')
+print('test import')
+import bsplines2d as dbs2
+print('test version')
+print(bs2.__version__)
diff --git a/bsplines2d/version.py b/bsplines2d/version.py
deleted file mode 100644
index 380f657..0000000
--- a/bsplines2d/version.py
+++ /dev/null
@@ -1,2 +0,0 @@
-# Do not edit, pipeline versioning governed by git tags!
-__version__ = '0.0.21'