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author | Raymond Hettinger <rhettinger@users.noreply.github.com> | 2020-04-21 23:20:52 (GMT) |
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committer | GitHub <noreply@github.com> | 2020-04-21 23:20:52 (GMT) |
commit | 75bedbe2ed4119ff18a2ea86c544b3cf08a92e75 (patch) | |
tree | a03d1a82185ca6ba08f717c6ea813da727807db4 | |
parent | d3a8d616faf3364b22fde18dce8c168de9368146 (diff) | |
download | cpython-75bedbe2ed4119ff18a2ea86c544b3cf08a92e75.zip cpython-75bedbe2ed4119ff18a2ea86c544b3cf08a92e75.tar.gz cpython-75bedbe2ed4119ff18a2ea86c544b3cf08a92e75.tar.bz2 |
bpo-40327: Improve atomicity, speed, and memory efficiency of the items() loop (GH-19628)
-rw-r--r-- | Lib/pickle.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/pickle.py b/Lib/pickle.py index d7adc16..1fc8b0d 100644 --- a/Lib/pickle.py +++ b/Lib/pickle.py @@ -339,7 +339,7 @@ def whichmodule(obj, name): return module_name # Protect the iteration by using a list copy of sys.modules against dynamic # modules that trigger imports of other modules upon calls to getattr. - for module_name, module in list(sys.modules.items()): + for module_name, module in sys.modules.copy().items(): if module_name == '__main__' or module is None: continue try: |