Update app.py

app.py

@@ -32,6 +32,10 @@ def load_current_selections():
 
 # Save current user selections to the shared CSV file without overwriting previous data
 def save_current_selection_to_file(current_selections):
+    # Convert list columns to strings to avoid unhashable type errors
+    current_selections["Drinks"] = current_selections["Drinks"].apply(lambda x: ", ".join(x) if isinstance(x, list) else x)
+    current_selections["Food"] = current_selections["Food"].apply(lambda x: ", ".join(x) if isinstance(x, list) else x)
+
     # Read the existing file to avoid overwriting
     if os.path.exists(TEMP_FILE):
         existing_selections = pd.read_csv(TEMP_FILE)
@@ -77,12 +81,9 @@ def load_history():
 def save_summary_to_history():
     timestamp = datetime.now().strftime("%Y-%m-%d_%H-%M-%S")
     history_filename = f"{HISTORY_DIR}/{timestamp}.txt"
-    # Read the current selections file
     if os.path.exists(TEMP_FILE):
         summary_df = pd.read_csv(TEMP_FILE)
-        # Save the DataFrame to a text file in the history directory
         summary_df.to_csv(history_filename, index=False)
-        # Upload the file to the repository
         upload_file(path_or_fileobj=history_filename, path_in_repo=history_filename, repo_id=REPO_ID, token=hf_token, repo_type="space")
     return timestamp
 
@@ -144,15 +145,14 @@ if menu == "Poll":
 elif menu == "Current":
     st.title("Current Selections of All Users")
     if st.button("Reload Selections"):
-        download_temp_file_from_repo()  # Download the latest version of the shared file
+        download_temp_file_from_repo()
     current_df = load_current_selections()
     st.table(current_df)
     if st.button("Submit Summary to History"):
         timestamp = save_summary_to_history()
         st.success(f"Summary saved to history at {timestamp}")
-        # Clear the current selections
         os.remove(TEMP_FILE)
-        upload_temp_file_to_repo()  # Upload the cleared file
+        upload_temp_file_to_repo()
         st.experimental_set_query_params(step="reset")
 
 # History view to check past summaries