rename the default translation branch to 3.7

zhsj · zhsj · commit 56ed5783949d · 2018-10-22T16:47:53.000+08:00
diff --git a/README.rst b/README.rst
@@ -4,7 +4,7 @@ zh_CN Translation of the Python Documentation
 All translations are done on transifex.
 https://www.transifex.com/python-doc/public/
 
-See branch newest for po files fetched from transifex.
+See branch 3.7 for po files fetched from transifex.
 
 Documentation Contribution Agreement
 ------------------------------------
