commit ad0fc8ddba0e2f6715dc14c74cb4dbd437b3777d
author Andrés Delfino <adelfino@gmail.com> Sat Jul 07 18:10:18 2018 -0300
committer Serhiy Storchaka <storchaka@gmail.com> Sun Jul 08 00:10:18 2018 +0300
tree cc8c44fd7840bc7664c0324f7f3389e55d54a7cd
parent 8902a1d14e9fe6fb80f4145ad4ea27a579567289

[2.7] bpo-33804: Document that the argument for io.TextIOBase.read() is optional (GH-7510). (GH-8171)

(cherry picked from commit b6bb77c2b8e83ba6cb845c7b512ac564276e854f)

Co-authored-by: Andrés Delfino <adelfino@gmail.com>

Doc/library/io.rst

diff --git a/Doc/library/io.rst b/Doc/library/io.rst
index 300041d..dcdd01c 100644
--- a/Doc/library/io.rst
+++ b/Doc/library/io.rst
@@ -724,7 +724,7 @@
 
       .. versionadded:: 2.7
 
-   .. method:: read(n)
+   .. method:: read(n=-1)
 
       Read and return at most *n* characters from the stream as a single
       :class:`unicode`.  If *n* is negative or ``None``, reads until EOF.