Documentation omitted the additional parameter to LogRecord.__init__ which was added in 2.5. (See SF #1569622).
diff --git a/Doc/lib/liblogging.tex b/Doc/lib/liblogging.tex
index cc44294..1c0c47c 100644
--- a/Doc/lib/liblogging.tex
+++ b/Doc/lib/liblogging.tex
@@ -1479,7 +1479,7 @@
information to be logged.
\begin{classdesc}{LogRecord}{name, lvl, pathname, lineno, msg, args,
- exc_info}
+ exc_info, func}
Returns an instance of \class{LogRecord} initialized with interesting
information. The \var{name} is the logger name; \var{lvl} is the
numeric level; \var{pathname} is the absolute pathname of the source
@@ -1489,7 +1489,9 @@
which, together with \var{msg}, makes up the user message; and
\var{exc_info} is the exception tuple obtained by calling
\function{sys.exc_info() }(or \constant{None}, if no exception information
-is available).
+is available). The \var{func} is the name of the function from which the
+logging call was made.
+\versionchanged[\var{func} was added]{2.5}
\end{classdesc}
\begin{methoddesc}{getMessage}{}