Update win batch script
@@ -13,4 +13,6 @@ cmake .. -G "%CMAKE_GENERATOR%" -DCMAKE_PREFIX_PATH=%LIBRARY_PREFIX% ^
-DPYTHON_EXECUTABLE=%PYTHON%
cmake --build . --config %CONFIGURATION%
-REM xcopy ${SRC_DIR}/build/python/z5py %LIBRARY%/lib/python${PY_VER}/site-packages/ /E
+
+set PY_VER=$(python -c "import sys; print('{}.{}'.format(*sys.version_info[:2]))")
+xcopy %SRC_DIR%/build/python/z5py %LIBRARY%/lib/python%PY_VER%/site-packages/ /E
