def asserted_dependency(target):
    'Specify a dependency that cannot be fetched.\n\n    Args:\n        target (str): Target file.\n    '
    if (not os.path.exists(target)):
        raise DependencyError(f'Dependency "{target}" is asserted to exist, but it does not, and it cannot be automatically fetched. Please put the file into place manually.')
Specify a dependency that cannot be fetched.

Args:
    target (str): Target file.
def asserted_dependency(target):
    'Specify a dependency that cannot be fetched.\n\n    Args:\n        target (str): Target file.\n    '
    if (not os.path.exists(target)):
        raise DependencyError(f'Dependency "{target}" is asserted to exist, but it does not, and it cannot be automatically fetched. Please put the file into place manually.')