diff --git a/run_handler_dev.py b/run_handler_dev.py
index 2bf0f59..c7d8aec 100644
--- a/run_handler_dev.py
+++ b/run_handler_dev.py
@@ -1,6 +1,9 @@
+"""
+RUN Handler. Only for development purpose
+"""
 
 from src.handler import carto_waze_lambda_handler
 
 
 if __name__ == '__main__':
-    carto_waze_lambda_handler('','')
\ No newline at end of file
+    carto_waze_lambda_handler('', '')