diff --git a/bioprov/workflows/__init__.py b/bioprov/workflows/__init__.py
index aeedd2d..031b5fa 100644
--- a/bioprov/workflows/__init__.py
+++ b/bioprov/workflows/__init__.py
@@ -5,4 +5,9 @@
 __version__ = "0.1.21"
 
 
-from .workflows import blastn_alignment, genome_annotation, KaijuWorkflow, WorkflowOptionsParser
+from .workflows import (
+    blastn_alignment,
+    genome_annotation,
+    KaijuWorkflow,
+    WorkflowOptionsParser,
+)