def safe_placeholder_filename(orig_filename, ext='png'):
    return '{}.{}'.format(_strip_str(orig_filename), ext)
Return a resource corresponding to all collaborators in this repo.
dataset/ETHPy150Open jmagnusson/Flask-Resize/flask_resize/__init__.py/safe_placeholder_filename--crossover with--dataset/ETHPy150Open ducksboard/libsaas/libsaas/services/github/repos.py/Repo.collaborators