def is_stack_project(project_dir):
    return find_file_in_parent_dir(project_dir, "stack.yaml") is not None
Format lines nicely to 80 chars.
dataset/ETHPy150Open SublimeHaskell/SublimeHaskell/sublime_haskell_common.py/is_stack_project--crossover with--dataset/ETHPy150Open letsencrypt/letsencrypt/certbot/display/util.py/_wrap_lines