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     002: # copyright (c) 2018 gevent. See  LICENSE.

     003: # cython: auto_pickle=False,embedsignature=True,always_allow_keywords=False

     004: """

     005: A collection of primitives used by the hub, and suitable for

     006: compilation with Cython because of their frequency of use.

     007:

     008: """

     009: from __future__ import absolute_import

     010: from __future__ import division

     011: from __future__ import print_function

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