More specific error messages for function loading

[pchunduri6]

The current message when a function cannot be loaded is:

err_msg = f"Couldn't load function from {filepath} : {str(e)}. This might be due to a missing Python package, or because the function implementation file does not exist, or it is not a valid Python file."

We should return specific error messages for each of the three cases.

[xzdandy]

Hi @pchunduri6, thanks for sharing the error message. Could you share what real error leads to this error message? Is that a typo in function name?

[pchunduri6]

Hi @xzdandy, this error happened to me when the function was in the wrong location or when I had a bug in the function. Had a conversation with @jarulraj and we thought it's best to have a more precise error message for why the function fails instead of returning 3 possible reasons at once.

[xzdandy]

Thanks Pramod! Hi @hershd23 and @Omanshb, I think this issue is closely related to #1189 you are looking into. We may can fix them all together to improve the user experience.

[hershd23]

Yes @xzdandy @pchunduri6. We are trying to solve for typos in functions and provide a close match to that. We can add these cases as well

[hershd23]

Assigning this issue to myself