PEP 597: Fix rest format. (#1858)

pep-0597.rst

@@ -277,23 +277,23 @@ https://mail.python.org/archives/list/[email protected]/thread/SFYUP2TWD5JZ5
 
 * Why not implement this in linters?
 
-   * ``encoding="locale"`` and ``io.text_encoding()`` must be in
-     Python.
+  * ``encoding="locale"`` and ``io.text_encoding()`` must be in
+    Python.
 
-   * It is difficult to find all caller of functions wrapping
-     ``open()`` or ``TextIOWrapper()``. (See ``io.text_encoding()``
-     section.)
+  * It is difficult to find all caller of functions wrapping
+    ``open()`` or ``TextIOWrapper()``. (See ``io.text_encoding()``
+    section.)
 
 * Many developers will not use the option.
 
-   * Some developers use the option and report the warnings to
-     libraries they use. So the option is worth enough even though
-     many developers won't use it.
+  * Some developers use the option and report the warnings to
+    libraries they use. So the option is worth enough even though
+    many developers won't use it.
 
-   * For example, I find [7]_ and [8]_ by running
-     ``pip install -U pip`` and find [9]_ by running ``tox``
-     with the reference implementation. It demonstrates how this
-     option can be used to find potential issues.
+  * For example, I find [7]_ and [8]_ by running
+    ``pip install -U pip`` and find [9]_ by running ``tox``
+    with the reference implementation. It demonstrates how this
+    option can be used to find potential issues.
 
 
 References