change cache path

app.py

@@ -6,12 +6,14 @@ from matplotlib.collections import LineCollection
 from matplotlib import cm
 import numpy as np
 import os
+from pathlib import Path
 
 try:    
     script_dir = os.path.dirname(os.path.abspath(__file__))
     print(script_dir)
     cache_folder = 'cache'
-    cache_dir = os.path.join(script_dir, cache_folder)
+    #cache_dir = os.path.join(script_dir, cache_folder)
+    cache_dir =Path(__file__).parent / "cache"
     print(cache_dir)
     ff1.Cache.enable_cache(cache_dir)
 except: