diff --git a/scripts/project_validator.py b/scripts/project_validator.py
index d64233fc..82adb275 100644
--- a/scripts/project_validator.py
+++ b/scripts/project_validator.py
@@ -20,6 +20,7 @@
 # Pre-compile regexes in global scope:
 NGISAMPLE_PAT = re.compile("P[0-9]+_[0-9]+")
 
+
 # Verify sample IDs
 def verify_sample_ids(project_id):
     message = []
@@ -57,7 +58,6 @@ def verify_sample_ids(project_id):
 
 
 def main(lims, pid):
-
     message = []
     project = Project(lims, id=pid)