Update app.py

app.py

@@ -275,21 +275,8 @@ def server(input, output, session):
 
             fig.subplots_adjust(left=0.01, right=0.99, top=0.99, bottom=0.01)
 
-
-    # # Download handler for CSV
-    # @session.download(filename="data.csv")
-    # def download_data():
-    #     # Create a string buffer
-    #     buffer = StringIO()
-    #     # Write the DataFrame to the buffer
-    #     cached_data().write_csv(buffer)
-    #     buffer.seek(0)
-    #     # Get the string value and return it
-    #     return buffer.getvalue()
-
-
     
-    @session.download()
+    @session.download('data.csv')
     def download_data():
         pass