Update src/streamlit_app.py

src/streamlit_app.py

@@ -36,7 +36,7 @@ uploaded_file = st.file_uploader("📂 Upload a CSV file", type=["csv"])
 if uploaded_file:
     # Save file to /tmp/ for processing
     with open(input_path, "wb") as f:
-        f.write(uploaded_file.read())
+        f.write(uploaded_file.getbuffer())
 
     df = pd.read_csv(input_path)
     st.subheader("🔍 Original Data Preview")