Update app.py

app.py

@@ -26,8 +26,8 @@ def create_flashcards(content):
     # Fetch the secret prompt from environment variables
     prompt = os.getenv("FLASHCARD_PROMPT")
 
-    response = openai.chat.completions.create(
-        model="gpt-3.5-turbo",
+    response = openai.ChatCompletion.create(
+        model="gpt-4o-mini",
         messages=[
             {"role": "system", "content": prompt},
             {"role": "user", "content": content}