Fix silently ignoring file path in `pvsystem.retrieve_sam` when `name` is provided#2020

kandersolar merged 8 commits intopvlib:mainpvlib/pvlib-python:mainfrom

echedey-ls:fix-retrieve-sam-unraised-exceptionechedey-ls/pvlib-python:fix-retrieve-sam-unraised-exceptionCopy head branch name to clipboard