diff --git a/openairclim/calc_cont.py b/openairclim/calc_cont.py
index 91b0d3a..16c2ecb 100644
--- a/openairclim/calc_cont.py
+++ b/openairclim/calc_cont.py
@@ -1,10 +1,12 @@
 """
 Calculates the contrail response.
-
-_author_: Liam Megill
-_email_: liam.megill@dlr.de
 """
 
+__author__ = "Liam Megill"
+__email__ = "liam.megill@dlr.de"
+__license__ = "Apache License 2.0"
+
+
 import numpy as np
 import xarray as xr
 from openairclim.interpolate_time import apply_evolution
diff --git a/utils/create_test_data.py b/utils/create_test_data.py
index 0880f04..fa15d0c 100644
--- a/utils/create_test_data.py
+++ b/utils/create_test_data.py
@@ -2,9 +2,14 @@
 Creates data objects for testing
 """
 
+import sys
+import os
 import numpy as np
 import xarray as xr
-from .create_artificial_inventories import ArtificialInventory
+
+SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
+sys.path.append(os.path.dirname(SCRIPT_DIR))
+from utils.create_artificial_inventories import ArtificialInventory
 
 
 def create_test_conc_resp():
diff --git a/utils/create_test_files.py b/utils/create_test_files.py
index 3abfad4..b86eb2f 100644
--- a/utils/create_test_files.py
+++ b/utils/create_test_files.py
@@ -1,7 +1,11 @@
 """Create files for testing purposes"""
 
+import sys
 import os
-from .create_test_data import create_test_inv, create_test_rf_resp
+SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
+sys.path.append(os.path.dirname(SCRIPT_DIR))
+
+from utils.create_test_data import create_test_inv, create_test_rf_resp
 
 
 # CONSTANTS