Update app.py

app.py

@@ -70,6 +70,17 @@ if uploaded_files:
                 # For subsequent files, set the header using the stored headers
                 df = pd.read_excel(uploaded_file, names=headers, header=0)
 
+        elif uploaded_file.type == "application/vnd.ms-excel":
+        # This is an .xls file
+        if i == 0:
+            # For the first file, include the header
+            df = pd.read_excel(uploaded_file, engine='xlrd')
+            # Store the columns from the first file
+            headers = df.columns
+        else:
+            # For subsequent files, set the header using the stored headers
+            df = pd.read_excel(uploaded_file, names=headers, header=0, engine='xlrd')
+
         # Add a column for the file name
         df['file_name'] = file_name
         df_list.append(df)