human
Complete the below
def dyld_image_suffix_search(iterator, env=None):

    ''''For a potential path iterator, add DYLD_IMAGE_SUFFIX semantics'
    '''
 ... Write me a the Python code you requested?
assistant
#Here is the Python code you requested.
    suffix = dyld_image_suffix(env)
    if (suffix is None):
        return iterator
    else:
        def _inject(iterator=iterator, suffix=suffix):
            for path in iterator:
                if path.endswith('.dylib'):
                    (yield ((path[:(- len('.dylib'))] + suffix) + '.dylib'))
                else:
                    (yield (path + suffix))
                (yield path)
        return _inject()