diff --git a/deeprank/features/FullPSSM.py b/deeprank/features/FullPSSM.py
index 22a1eb2e..44e79f4e 100644
--- a/deeprank/features/FullPSSM.py
+++ b/deeprank/features/FullPSSM.py
@@ -238,7 +238,7 @@ def __compute_feature__(pdb_data, featgrp, featgrp_raw, out_type='pssmvalue'):
                     f"check 'config.PATH_PSSM_SOURCE'")
     else:
         path = config.PATH_PSSM_SOURCE
- 
+
     mol_name = os.path.split(featgrp.name)[0]
     mol_name = mol_name.lstrip('/')