Add minus sign in front of dEgdT, `sdm.py`#2322

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

echedey-ls:dEgdT-is-negative-in-fit_desoto_sandiaechedey-ls/pvlib-python:dEgdT-is-negative-in-fit_desoto_sandiaCopy head branch name to clipboard