def _try_iter()

in later/unittest/backport/mock.py [0:0]

• 11 lines of code
• 5 McCabe index (conditional complexity)

def _try_iter(obj):
    if obj is None:
        return obj
    if _is_exception(obj):
        return obj
    if _callable(obj):
        return obj
    try:
        return iter(obj)
    except TypeError:
        # XXXX backwards compatibility
        # but this will blow up on first call - so maybe we should fail early?
        return obj