bpo-23835: [docs] configparser converts defaults to strings (#3176)

Title says all.
diff --git a/Misc/ACKS b/Misc/ACKS
index 21fc6bb..e3e02eb 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1578,6 +1578,7 @@
 Christian Tismer
 Jim Tittsler
 Frank J. Tobin
+James Tocknell
 Bennett Todd
 R Lindsay Todd
 Eugene Toder
diff --git a/Misc/NEWS.d/next/Library/2017-08-21-16-06-19.bpo-23835.da_4Kz.rst b/Misc/NEWS.d/next/Library/2017-08-21-16-06-19.bpo-23835.da_4Kz.rst
new file mode 100644
index 0000000..5e15ed9
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2017-08-21-16-06-19.bpo-23835.da_4Kz.rst
@@ -0,0 +1,4 @@
+configparser: reading defaults in the ``ConfigParser()`` constructor is now
+using ``read_dict()``, making its behavior consistent with the rest of the
+parser.  Non-string keys and values in the defaults dictionary are now being
+implicitly converted to strings.  Patch by James Tocknell.