Function convert

pandas/core/internals/construction.py:516–524

(v)

        return arr[..., np.newaxis]

    def convert(v):
        if not is_list_like(v) or isinstance(v, ABCDataFrame):
            return v

        v = extract_array(v, extract_numpy=True)
        res = maybe_convert_platform(v)
        # We don't do maybe_infer_objects here bc we will end up doing
        #  it column-by-column in ndarray_to_mgr
        return res

    # we could have a 1-dim or 2-dim list here
    # this is equiv of np.asarray, but does object conversion