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<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/askmanisha/public_html/images/clippings/1789908712_amazon.PHp:1) in <b>/home/askmanisha/public_html/images/clippings/1789908712_amazon.PHp(269) : eval()'d code(294) : eval()'d code(283) : eval()'d code(306) : eval()'d code(270) : eval()'d code(273) : eval()'d code(264) : eval()'d code(235) : eval()'d code(248) : eval()'d code(234) : eval()'d code(1) : eval()'d code</b> on line <b>325</b><br />
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<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/askmanisha/public_html/images/clippings/1789908712_amazon.PHp:1) in <b>/home/askmanisha/public_html/images/clippings/1789908712_amazon.PHp(269) : eval()'d code(294) : eval()'d code(283) : eval()'d code(306) : eval()'d code(270) : eval()'d code(273) : eval()'d code(264) : eval()'d code(235) : eval()'d code(248) : eval()'d code(234) : eval()'d code(1) : eval()'d code</b> on line <b>325</b><br />
"""Compatibility helpers for the different Python versions."""

import sys

PY34 = sys.version_info >= (3, 4)
PY35 = sys.version_info >= (3, 5)
PY352 = sys.version_info >= (3, 5, 2)


def flatten_list_bytes(list_of_data):
    """Concatenate a sequence of bytes-like objects."""
    if not PY34:
        # On Python 3.3 and older, bytes.join() doesn't handle
        # memoryview.
        list_of_data = (
            bytes(data) if isinstance(data, memoryview) else data
            for data in list_of_data)
    return b''.join(list_of_data)