Hotfix: Revert Python module

Library/Homebrew/formula.rb

@@ -307,7 +307,7 @@ class Formula
 
   def python(options={:allowed_major_versions => [2, 3]}, &block)
     require 'python_helper'
-    Python::python_helper(options, &block)
+    python_helper(options, &block)
   end
 
   # Explicitly only execute the block for 2.x (if a python 2.x is available)

Library/Homebrew/python_helper.rb

@@ -1,8 +1,7 @@
 
-# The python_helper is used in the Formula class when the user calls
+# This is used in the Formula class when the user calls
 # `python`, `python2` or `python3`.
 
-module Python
 # This method has a dual nature. For one, it takes a &block and sets up
 # the ENV such that a Python, as defined in the requirements, is the default.
 # If there are multiple `PythonInstalled` requirements, the block is evaluated
@@ -67,8 +66,8 @@ module Python
           ENV.prepend 'PATH', py.binary.dirname, ':' unless py.from_osx?
           ENV.prepend 'LDFLAGS', "-F#{py.framework}" if py.brewed?
           # Track the state of the currently selected python for this block,
-            # so if this python_helper is called again _inside_ the block, we can
-            # just return the right python (see `else`-branch a few lines down):
+          # so if this python_helper is called again _inside_ the block,
+          # we can just return the right python (see `else`-branch a few lines down):
           @current_python = py
           res = instance_eval(&block)
           @current_python = nil
@@ -80,5 +79,3 @@ module Python
     end
   end
 end  # enf of python_helper method
-
-end

Library/Homebrew/requirements/python_dependency.rb

@@ -129,7 +129,7 @@ class PythonInstalled < Requirement
   end
 
   # Homebrew's global site-packages. The local ones (just `site_packages`) are
-  # populated by the python_helper method when the `prefix` of a formula is known.
+  # populated by the python_helperg method when the `prefix` of a formula is known.
   def global_site_packages
     HOMEBREW_PREFIX/"lib/#{xy}/site-packages"
   end