Summary

A community member noticed a "cannot hash of type" issue. More information can be found in this forum discussion.

Full error message

This is the error the community member received:

UnhashableType: Cannot hash object of type _asyncio.Task

While caching some code, Streamlit encountered an object of type _asyncio.Task. 
You’ll need to help Streamlit understand how to hash that type with the hash_funcs argument. For example:


@st.cache(hash_funcs={_asyncio.Task: my_hash_func})
def my_func(...):
    ...

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