fix err

src/models/desi/call_kShapeAD.py

 from SAND import SAND
 import sys
 import pathlib
-sys.path.append(str(pathlib.Path.absolute)+ '../../')
+import os
+BASE_DIR = os.path.abspath(os.path.join(os.path.dirname(__file__), '../../../'))
+if BASE_DIR not in sys.path:
+    sys.path.append(BASE_DIR)
 from src.utils.slidingWindows import find_length_rank
 from src.run_model_wrapper import main