diff --git a/chat_history_stream.py b/chat_history_stream.py
index 9bf96f0..6782514 100644
--- a/chat_history_stream.py
+++ b/chat_history_stream.py
@@ -41,6 +41,7 @@
         model=MODEL_NAME,
         messages=messages,
         temperature=0.7,
+        stream=True,
     )
 
     print("\nAnswer: ")
diff --git a/spanish/structured_outputs_enum.py b/spanish/structured_outputs_enum.py
index a60eac7..168073a 100644
--- a/spanish/structured_outputs_enum.py
+++ b/spanish/structured_outputs_enum.py
@@ -1,5 +1,5 @@
 import os
-from enum import Enum
+from enum import StrEnum
 
 import azure.identity
 import openai
@@ -34,7 +34,7 @@
     MODEL_NAME = os.environ["OPENAI_MODEL"]
 
 
-class DayOfWeek(str, Enum):
+class DayOfWeek(StrEnum):
     DOMINGO = "Domingo"
     LUNES = "Lunes"
     MARTES = "Martes"
diff --git a/structured_outputs_enum.py b/structured_outputs_enum.py
index 39a99dc..2961235 100644
--- a/structured_outputs_enum.py
+++ b/structured_outputs_enum.py
@@ -1,5 +1,5 @@
 import os
-from enum import Enum
+from enum import StrEnum
 
 import azure.identity
 import openai
@@ -34,7 +34,7 @@
     MODEL_NAME = os.environ["OPENAI_MODEL"]
 
 
-class DayOfWeek(str, Enum):
+class DayOfWeek(StrEnum):
     SUNDAY = "Sunday"
     MONDAY = "Monday"
     TUESDAY = "Tuesday"