diff --git a/nf_core/modules/lint/main_nf.py b/nf_core/modules/lint/main_nf.py
index 5477ee9db9..883d2bb3e0 100644
--- a/nf_core/modules/lint/main_nf.py
+++ b/nf_core/modules/lint/main_nf.py
@@ -423,7 +423,14 @@ def check_process_section(self, lines, registry, fix_version, progress_bar):
 
 
 def check_process_labels(self, lines):
-    correct_process_labels = ["process_single", "process_low", "process_medium", "process_high", "process_long", "process_high_memory"]
+    correct_process_labels = [
+        "process_single",
+        "process_low",
+        "process_medium",
+        "process_high",
+        "process_long",
+        "process_high_memory",
+    ]
     all_labels = [line.strip() for line in lines if line.lstrip().startswith("label ")]
     bad_labels = []
     good_labels = []