Update app.py

app.py

@@ -35,12 +35,11 @@ uploaded_file = st.file_uploader("Choose a file", type=["csv", "tsv", "xlsx"])
 
 if uploaded_file:
     # Check if we need to process the file (new file or button clicked)
-    file_details = (
+    file_details = {
         'name': uploaded_file.name,
         'size': uploaded_file.size,
         'type': os.path.splitext(uploaded_file.name)[1].lower()
-    )
-
+    }
     # Only process if it's a new file
     if st.session_state.file_details != file_details:
         st.session_state.file_details = file_details