diff --git a/graphstorm-processing/graphstorm_processing/constants.py b/graphstorm-processing/graphstorm_processing/constants.py
index 06aa3b3d3..fc27b1768 100644
--- a/graphstorm-processing/graphstorm_processing/constants.py
+++ b/graphstorm-processing/graphstorm_processing/constants.py
@@ -62,7 +62,6 @@
 NODE_MAPPING_STR = "orig"
 NODE_MAPPING_INT = "new"
 
-
 ################# Supported execution envs  ##############
 class ExecutionEnv(Enum):
     """Supported execution environments"""