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bpo-32678: inspect: Import ast lazily (GH-5344)

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INADA Naoki 2018-01-27 10:10:06 +09:00 • committed by GitHub
parent 29a7df7827
commit 37420deb80
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1 changed files with 3 additions and 1 deletions
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Lib/inspect.py
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@ -32,7 +32,6 @@ __author__ = ('Ka-Ping Yee <ping@lfw.org>',
'Yury Selivanov <yselivanov@sprymix.com>')
import abc
import ast
import dis
import collections.abc
import enum
@ -1940,6 +1939,9 @@ def _signature_fromstr(cls, obj, s, skip_bound_arg=True):
"""Private helper to parse content of '__text_signature__'
and return a Signature based on it.
"""
# Lazy import ast because it's relatively heavy and
# it's not used for other than this function.
import ast
Parameter = cls._parameter_cls