Remove py27 in setup step (python#691)

00Kai0 · web-flow · commit ad91664f51dd · 2021-05-12T00:11:34.000+09:00
diff --git a/index.rst b/index.rst
@@ -47,8 +47,7 @@ instructions please see the :ref:`setup guide <setup>`.
       ./python -m test -j3
 
    On :ref:`most <mac-python.exe>` Mac OS X systems, replace :file:`./python`
-   with :file:`./python.exe`.  On Windows, use :file:`python.bat`.  With Python
-   2.7, replace ``test`` with ``test.regrtest``.
+   with :file:`./python.exe`.  On Windows, use :file:`python.bat`.
 
 5. Create a new branch where your work for the issue will go, e.g.::
 
