Checklist

• I have searched the existing issues for similar issues.
• I added a very descriptive title to this issue.
• I have provided sufficient information below to help reproduce this issue.

Summary

experimental_memo decorator failed to persist to 'disk' after upgrading to 1.15 from 1.14.1

Reproducible Code Example

import streamlit as st


disk_memo = st.experimental_memo(suppress_st_warning=True, persist='disk', show_spinner=False)

@disk_memo
def func(a=1):
    return a+1

Steps To Reproduce

run the code.

No cache file is produced at ~/.streamlit/cache

Expected Behavior

No response

Current Behavior

No response

Is this a regression?

• Yes, this used to work in a previous version.

Debug info

• Streamlit version: 1.50
• Python version: 3.10.8
• Operating System: MacOS 13.0.1
• Browser:
• Virtual environment:

Additional Information

No response

Are you willing to submit a PR?

• Yes, I am willing to submit a PR!