diff --git a/rap_sitkcore/read_dcm_headers.py b/rap_sitkcore/read_dcm_headers.py
index bab64d5..8425775 100644
--- a/rap_sitkcore/read_dcm_headers.py
+++ b/rap_sitkcore/read_dcm_headers.py
@@ -1,4 +1,5 @@
 """ Functions related to retrieving the dicom headers from a file """
+
 import pydicom
 import requests
 from pathlib import Path