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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def activate(specifier):
 """Make a compatible version of pip importable. Raise a RuntimeError if we couldn't."""

    try:
        for distro in require(specifier):
            distro.activate()
    except (VersionConflict, DistributionNotFound):
        raise RuntimeError('The installed version of pip is too old; peep '
                           'requires ' + specifier)