diff --git a/v2/valid_data.py b/v2/valid_data.py
index d1cfa0b..bb2cf4f 100644
--- a/v2/valid_data.py
+++ b/v2/valid_data.py
@@ -26,9 +26,10 @@ def is_valid_int(v, **kwargs):
 
 
 def is_valid_srt(v, **kwargs):
-    if isinstance(v, str):
-        return v
-    return None
+    try:
+        return str(v)
+    except:
+        return None
 
 
 def is_valid_float(v, **kwargs):
@@ -39,15 +40,17 @@ def is_valid_float(v, **kwargs):
 
 
 def is_valid_bool(v, **kwargs):
-    if isinstance(v, bool):
-        return v
-    return None
+    try:
+        return bool(v)
+    except:
+        return None
 
 
 def is_valid_array(v, **kwargs):
-    if isinstance(v, list):
+    try:
         return [str(i) for i in v]
-    return None
+    except:
+        return None
 
 
 def is_valid_ipv4(v, **kwargs):