diff --git a/Formula/python.rb b/Formula/python.rb
index ecc93dd6cc..ae039ac60b 100644
--- a/Formula/python.rb
+++ b/Formula/python.rb
@@ -206,7 +206,7 @@ class Python < Formula
   def post_install
     ENV.delete "PYTHONPATH"
 
-    xy = (prefix/"Frameworks/Python.framework/Versions").children.sort.first.basename.to_s
+    xy = (prefix/"Frameworks/Python.framework/Versions").children.min.basename.to_s
     site_packages = HOMEBREW_PREFIX/"lib/python#{xy}/site-packages"
     site_packages_cellar = prefix/"Frameworks/Python.framework/Versions/#{xy}/lib/python#{xy}/site-packages"
 
@@ -283,7 +283,7 @@ class Python < Formula
   end
 
   def sitecustomize
-    xy = (prefix/"Frameworks/Python.framework/Versions").children.sort.first.basename.to_s
+    xy = (prefix/"Frameworks/Python.framework/Versions").children.min.basename.to_s
 
     <<~EOS
       # This file is created by Homebrew and is executed on each python startup.
@@ -324,7 +324,7 @@ class Python < Formula
 
   def caveats
     if prefix.exist?
-      xy = (prefix/"Frameworks/Python.framework/Versions").children.sort.first.basename.to_s
+      xy = (prefix/"Frameworks/Python.framework/Versions").children.min.basename.to_s
     else
       xy = version.to_s.slice(/(3\.\d)/) || "3.6"
     end
@@ -362,7 +362,7 @@ class Python < Formula
   end
 
   test do
-    xy = (prefix/"Frameworks/Python.framework/Versions").children.sort.first.basename.to_s
+    xy = (prefix/"Frameworks/Python.framework/Versions").children.min.basename.to_s
     # Check if sqlite is ok, because we build with --enable-loadable-sqlite-extensions
     # and it can occur that building sqlite silently fails if OSX's sqlite is used.
     system "#{bin}/python#{xy}", "-c", "import sqlite3"