diff --git a/resources/lib/utils.py b/resources/lib/utils.py
index 7f2c25f0..459a2b72 100644
--- a/resources/lib/utils.py
+++ b/resources/lib/utils.py
@@ -619,14 +619,14 @@ def indent(elem, level=0):
     """
     Prettifies xml trees. Pass the etree root in
     """
-    i = "\n" + level*"  "
+    i = "\n" + level * "  "
     if len(elem):
         if not elem.text or not elem.text.strip():
             elem.text = i + "  "
         if not elem.tail or not elem.tail.strip():
             elem.tail = i
         for elem in elem:
-            indent(elem, level+1)
+            indent(elem, level + 1)
         if not elem.tail or not elem.tail.strip():
             elem.tail = i
     else: