[scripts][execute] Remove use of Prefix

beat/backend/python/scripts/execute.py

@@ -126,7 +126,7 @@ def close(logger, socket, db_socket, context):
 def process_traceback(tb, prefix):
     import traceback
 
-    algorithms_prefix = os.path.join(prefix.paths[0], 'algorithms') + os.sep
+    algorithms_prefix = os.path.join(prefix, 'algorithms') + os.sep
 
     for first_line, line in enumerate(tb):
         if line[0].startswith(algorithms_prefix):