diff --git a/v2/valid_data.py b/v2/valid_data.py
index d1cfa0b..e7829e1 100644
--- a/v2/valid_data.py
+++ b/v2/valid_data.py
@@ -27,7 +27,7 @@ def is_valid_int(v, **kwargs):
 
 def is_valid_srt(v, **kwargs):
     if isinstance(v, str):
-        return v
+        return str(v)
     return None
 
 
@@ -40,7 +40,7 @@ def is_valid_float(v, **kwargs):
 
 def is_valid_bool(v, **kwargs):
     if isinstance(v, bool):
-        return v
+        return bool(v)
     return None