Update app.py

app.py

@@ -297,9 +297,7 @@ with tab3:
         try:
             # --- Load file ---
             if uploaded.name.endswith(".xlsx"):
-                xls = pd.ExcelFile(uploaded)
-                sheet_choice = st.selectbox("Select sheet:", xls.sheet_names)
-                df = pd.read_excel(xls, sheet_name=sheet_choice)
+                df = pd.read_excel(uploaded)
             elif uploaded.name.endswith(".csv"):
                 df = pd.read_csv(uploaded)
             else:  # TXT (tab-delimited fallback)