Returning an iterator instead of a list

[jonnymaserati]

This is returning an iterator that needs to be wrapped in a list() - the docstring suggests it's meant to be a list and I see the other methods are using the __filter to return the data - perhaps that was meant here?

https://github.com/portfolioplus/pytickersymbols/blob/fe5e86c259231a6ac4f15071c0480d77d98d846c/src/pytickersymbols/init.py#L192