used transformer instead of openai

app.py

@@ -1,18 +1,6 @@
-import gradio as gr
-from openai import OpenAI
+from transformers import pipeline
 
-client = OpenAI()
+generator = pipeline("text-generation", model="gpt2")
 
-def generate_blog(prompt):
-    response = client.chat.completions.create(
-        model="gpt-3.5-turbo",
-        messages=[
-            {"role": "user", "content": prompt}
-        ]
-    )
-    return response.choices[0].message.content
-
-iface = gr.Interface(fn=generate_blog, inputs="text", outputs="text")
-
-# ✅ REQUIRED to run on Hugging Face
-iface.launch()
+def generate_blog(topic):
+    return generator(f"Write a blog on: {topic}", max_length=200)[0]["generated_text"]