Update config.py

config.py

@@ -14,6 +14,12 @@ def save_config(data_path, persist_directory, collection_name):
     This function accepts arguments and writes them to a config.json file.
     Sensitive data (e.g., API keys) are not written to the file.
     """
+    # Default paths
+    if data_path is None:
+        data_path = '/tmp/data'
+    if persist_directory is None:
+        persist_directory = '/tmp/db'
+        
     config = {
         'data_path': data_path,
         'persist_directory': persist_directory,