Update promptsource/session.py

promptsource/session.py

@@ -6,14 +6,11 @@
 # https://gist.github.com/okld/0aba4869ba6fdc8d49132e6974e2e662
 #
 
-import streamlit
+from streamlit.hashing import _CodeHasher
 from streamlit.report_thread import get_report_ctx
 from streamlit.server.server import Server
 
 
-_CodeHasher = streamlit.runtime.legacy_caching.hashing._CodeHasher
-
-
 class _SessionState:
     def __init__(self, session, hash_funcs):
         """Initialize SessionState instance."""