Update src/streamlit_app.py

src/streamlit_app.py

@@ -13,35 +13,37 @@ st.title("🏆 Hackathon Leaderboard")
 
 uploaded_file = st.file_uploader("Upload your solution (.py)", type=["py"])
 
-if uploaded_file:
-    if st.button("Submit"):
-        # Generate unique filename based on timestamp
-        timestamp = datetime.datetime.now().isoformat()
-        submission_filename = f"{timestamp.replace(':', '_')}_{uploaded_file.name}"
-        submission_path = os.path.join("submissions", submission_filename)
+if uploaded_file and st.button("Submit"):
+    # Generate unique filename based on timestamp
+    timestamp = datetime.datetime.now().isoformat()
+    submission_filename = f"{timestamp.replace(':', '_')}_{uploaded_file.name}"
+    submission_path = os.path.join("submissions", submission_filename)
 
-        # Ensure submissions folder exists
-        os.makedirs("submissions", exist_ok=True)
+    # Ensure submissions folder exists
+    os.makedirs("submissions", exist_ok=True)
 
-        # Save uploaded file
-        with open(submission_path, "wb") as f:
-            f.write(uploaded_file.read())
+    # Save uploaded file
+    with open(submission_path, "wb") as f:
+        f.write(uploaded_file.read())
 
-        # TODO: Add actual evaluation logic here
-        score = 42  # Dummy score
+    # TODO: Add actual evaluation logic here
+    score = 42  # Dummy score
 
-        # Append to Google Sheet
-        append_score(timestamp, score, submission_filename)
-        st.success(f"Submission received! Score: {score}")
+    # Append to Google Sheet
+    append_score(timestamp, score, submission_filename)
+    st.success(f"Submission received! Score: {score}")
 
 # ========================
-# Show Leaderboard
+# Always Show Leaderboard
 # ========================
+st.subheader("Leaderboard")
+
 try:
     df = fetch_leaderboard()
     if not df.empty:
         df_sorted = df.sort_values(by="score", ascending=False)
-        st.subheader("Leaderboard")
         st.dataframe(df_sorted)
+    else:
+        st.info("No submissions yet.")
 except Exception as e:
     st.warning(f"Could not load leaderboard: {e}")