fix: errors

pages/ta.py

@@ -72,6 +72,7 @@ st.header(f"Bollinger Bands")
 # if bbands.png exists, display it
 
 if bbands_img:
+    image = PIL.image(io.BytesIO(bytes(bbands_img, "utf-8")))
     st.image(bbands_img, caption='Bollinger bands chart')
 
 donchian_img = build_donchian_img(data, symbol, ran_donchian_name)

pages/utils/util.py

@@ -7,7 +7,8 @@ def remove_existing_file(func):
     def wrapper(*args, **kwargs):
         old_stdin = sys.stdin
         sys.stdin = StringIO("y")
-            
+        stream = os.popen('cd ~ && pwd')
+        root_dir = stream.read()
         sample_dir = root_dir.strip()
         # remove /home/codespace/OpenBBUserData/exports/bbands.png already
         # get last arg as export