Update streamlit_app.py

streamlit_app.py

@@ -3,28 +3,29 @@ import openai
 import os
 
 st.set_page_config(page_title="GPT Code Explainer", layout="centered")
-
 st.title("🧠 GPT-3.5 Code Explainer")
 st.write("Paste your Python code below and get a detailed explanation using OpenAI GPT-3.5.")
 
 code_input = st.text_area("Paste Python Code", height=200)
 
-client = openai.OpenAI(api_key=os.getenv("OPENAI_API_KEY"))
+# ✅ Create OpenAI client (v1.0+)
+api_key = os.getenv("OPENAI_API_KEY")
+client = openai.OpenAI(api_key=api_key) if api_key else None
 
 if st.button("Explain"):
-    if not openai_api_key:
-        st.error("OPENAI_API_KEY not set. Add it as a secret in your Hugging Face Space or local environment.")
+    if not client:
+        st.error("❌ OPENAI_API_KEY not set. Add it as a secret in your Hugging Face Space.")
     elif code_input.strip():
         with st.spinner("Asking GPT-3.5..."):
-            prompt = f"Explain the following Python function step-by-step in plain English:\n\n{code_input.strip()}"
             try:
+                prompt = f"Explain the following Python function step-by-step:\n\n{code_input.strip()}"
                 response = client.chat.completions.create(
-                model="gpt-3.5-turbo",
-                messages=[{"role": "user", "content": prompt}],
-                max_tokens=512,
-                temperature=0.5,
-            )
-                explanation = response.choices[0].message["content"].strip()
+                    model="gpt-3.5-turbo",
+                    messages=[{"role": "user", "content": prompt}],
+                    max_tokens=512,
+                    temperature=0.5,
+                )
+                explanation = response.choices[0].message.content.strip()
                 st.subheader("✅ Explanation")
                 st.write(explanation)
             except Exception as e: