diff --git a/saqc/__init__.py b/saqc/__init__.py
index e1f7e6e8bf04d3d59cff68b83d91fbf791f0faa2..c699afd164522cb2960d95791377408649ba5aaa 100644
--- a/saqc/__init__.py
+++ b/saqc/__init__.py
@@ -1,2 +1,5 @@
 #! /usr/bin/env python
 # -*- coding: utf-8 -*-
+
+from saqc.core.core import runner
+from saqc.flagger import *
diff --git a/saqc/core/__init__.py b/saqc/core/__init__.py
index e1f7e6e8bf04d3d59cff68b83d91fbf791f0faa2..7bd5ef79baddcf5c3c27120ec7f4e0d059a8b325 100644
--- a/saqc/core/__init__.py
+++ b/saqc/core/__init__.py
@@ -1,2 +1,4 @@
 #! /usr/bin/env python
 # -*- coding: utf-8 -*-
+
+from saqc.core.core import runner
diff --git a/saqc/lib/tools.py b/saqc/lib/tools.py
index d2f9b0fc093c77b22ef5e04bbdc876b93390da68..bb5bb7b217455d4bc0b77ab5fb866d7823ff87ad 100644
--- a/saqc/lib/tools.py
+++ b/saqc/lib/tools.py
@@ -2,12 +2,14 @@
 # -*- coding: utf-8 -*-
 
 import numbers
-from typing import Sequence, Union, T
+from typing import Sequence, Union
 
 import numpy as np
 import pandas as pd
 import numba as nb
 
+from saqc.lib.types import T
+
 
 def assertScalar(name, value, optional=False):
     if (not np.isscalar(value)) and (value is not None) and (optional is True):