From: Victor Stinner <victor.stinner@gmail.com>
Date: Mon, 27 Nov 2017 23:35:33 +0000 (+0100)
Subject: asyncio: Remove unused Future._tb_logger attribute (#4596)
X-Git-Tag: v3.7.0a3~72
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c16bacec3c2f08a74e4dc282f7d84f17ec70d0d5;p=thirdparty%2FPython%2Fcpython.git

asyncio: Remove unused Future._tb_logger attribute (#4596)

It was only used on Python 3.3, now only Future._log_traceback is
used.
---

diff --git a/Lib/asyncio/futures.py b/Lib/asyncio/futures.py
index 472f2a8c74e8..b2e57efdb66c 100644
--- a/Lib/asyncio/futures.py
+++ b/Lib/asyncio/futures.py
@@ -63,8 +63,7 @@ class Future:
     #   `yield Future()` (incorrect).
     _asyncio_future_blocking = False
 
-    _log_traceback = False   # Used for Python 3.4 and later
-    _tb_logger = None        # Used for Python 3.3 only
+    _log_traceback = False
 
     def __init__(self, *, loop=None):
         """Initialize the future.
@@ -156,9 +155,6 @@ class Future:
         if self._state != _FINISHED:
             raise InvalidStateError('Result is not ready.')
         self._log_traceback = False
-        if self._tb_logger is not None:
-            self._tb_logger.clear()
-            self._tb_logger = None
         if self._exception is not None:
             raise self._exception
         return self._result
@@ -176,9 +172,6 @@ class Future:
         if self._state != _FINISHED:
             raise InvalidStateError('Exception is not set.')
         self._log_traceback = False
-        if self._tb_logger is not None:
-            self._tb_logger.clear()
-            self._tb_logger = None
         return self._exception
 
     def add_done_callback(self, fn):