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-rw-r--r--Lib/logging/__init__.py2
-rw-r--r--Misc/NEWS.d/next/Library/2020-05-24-11-06-37.bpo-40756.7ZH83z.rst2
2 files changed, 3 insertions, 1 deletions
diff --git a/Lib/logging/__init__.py b/Lib/logging/__init__.py
index 403dc81b13..6d27301a70 100644
--- a/Lib/logging/__init__.py
+++ b/Lib/logging/__init__.py
@@ -1751,7 +1751,7 @@ class LoggerAdapter(object):
information in logging output.
"""
- def __init__(self, logger, extra):
+ def __init__(self, logger, extra=None):
"""
Initialize the adapter with a logger and a dict-like object which
provides contextual information. This constructor signature allows
diff --git a/Misc/NEWS.d/next/Library/2020-05-24-11-06-37.bpo-40756.7ZH83z.rst b/Misc/NEWS.d/next/Library/2020-05-24-11-06-37.bpo-40756.7ZH83z.rst
new file mode 100644
index 0000000000..a970f5be15
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2020-05-24-11-06-37.bpo-40756.7ZH83z.rst
@@ -0,0 +1,2 @@
+The second argument (extra) of ``LoggerAdapter.__init__`` now defaults to
+None.