diff --git a/services/helper/helper_service/config.py b/services/helper/helper_service/config.py
index d04bd1acd87603f491b09f464d8db1d6cdc52ad7..444a23201168fceb276fa44b81f2417d8fc2afa6 100644
--- a/services/helper/helper_service/config.py
+++ b/services/helper/helper_service/config.py
@@ -3,18 +3,18 @@ import os
 
 #Config class to get config
 class Config:
-	def __init__(self):
-		self.cached = 0
-		self.file="./config.yaml"
-		self.my_config = {}
+    def __init__(self):
+        self.cached = 0
+        self.file="./config.yaml"
+        self.my_config = {}
 
-		stamp = os.stat(self.file).st_mtime
-		if stamp != self.cached:
-			self.cached = stamp
-			f = open(self.file)
-			self.my_config = yaml.safe_load(f)
-			f.close()
+        stamp = os.stat(self.file).st_mtime
+        if stamp != self.cached:
+            self.cached = stamp
+            f = open(self.file)
+            self.my_config = yaml.safe_load(f)
+            f.close()
 
-	def get_config(self):
-		return self.my_config
+    def get_config(self):
+        return self.my_config