Update app.py

app.py

@@ -81,9 +81,17 @@ 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"
+
+    # Ensure the history directory exists
+    if not os.path.exists(HISTORY_DIR):
+        os.makedirs(HISTORY_DIR)
+
+    # Read the current selections file
     if os.path.exists(TEMP_FILE):
         summary_df = pd.read_csv(TEMP_FILE)
         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