Update app.py

app.py

@@ -3,10 +3,17 @@ from code_reviewer import review_code
 from pr_fetcher import fetch_pr_diff
 
 # -----------------------------
-# Streamlit Page Config
+# Page Config (must be first Streamlit command)
 # -----------------------------
-st.set_page_config(page_title="Code Review Agent", page_icon="🤖", layout="wide")
+st.set_page_config(
+    page_title="Code Review Agent",
+    page_icon="🤖",
+    layout="wide"
+)
 
+# -----------------------------
+# App Title
+# -----------------------------
 st.title("🤖 Code Review Agent (Hugging Face Edition)")
 st.write("Fetch a Pull Request from GitHub and get **AI-powered review + improved code**")