diff --git a/pytorch_lightning/core/lightning.py b/pytorch_lightning/core/lightning.py
index 23757110..2ae7fd32 100644
--- a/pytorch_lightning/core/lightning.py
+++ b/pytorch_lightning/core/lightning.py
@@ -1234,6 +1234,7 @@ def convert(val):
             return False
 
     for c in constructors:
+
         try:
             return c(val)
         except ValueError: