diff --git a/parea/utils/universal_encoder.py b/parea/utils/universal_encoder.py
index 9628a72b..c7c242be 100644
--- a/parea/utils/universal_encoder.py
+++ b/parea/utils/universal_encoder.py
@@ -110,16 +110,19 @@ def default(self, obj: Any):
             return str(obj)
         elif isinstance(obj, Decimal):
             return float(obj)
-        elif callable(obj):
-            return f"<callable {obj.__name__}>"
-        elif isinstance(obj, bytes):
-            return obj.decode(errors="ignore")
         elif is_numpy_instance(obj):
             return obj.tolist()
         elif is_pandas_instance(obj):
             return obj.to_dict(orient="records")
         elif dspy_response := self.handle_dspy_response(obj):
             return dspy_response
+        elif callable(obj):
+            try:
+                return f"<callable {obj.__name__}>"
+            except AttributeError:
+                return str(obj)
+        elif isinstance(obj, bytes):
+            return obj.decode(errors="ignore")
         else:
             return super().default(obj)
 
diff --git a/pyproject.toml b/pyproject.toml
index 23ad232f..abb0743d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ build-backend = "poetry.core.masonry.api"
 [tool.poetry]
 name = "parea-ai"
 packages = [{ include = "parea" }]
-version = "0.2.173"
+version = "0.2.174"
 description = "Parea python sdk"
 readme = "README.md"
 authors = ["joel-parea-ai <joel@parea.ai>"]