refactor: use 'sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir, os.pardir)))' one-liner to handle module import
refactor: use 'sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir, os.pardir)))' one-liner to handle module import

pfjel7/housing-insights,pfjel7/housing-insights,codefordc/housing-insights