Adjust docs and more internal code for Python 3.

Now we have `python` for Python 3 and `python@2` for Python 2 some more
adjustments need to be made.

1 files changed, 2 insertions, 2 deletions

diff --git a/Library/Homebrew/exceptions.rb b/Library/Homebrew/exceptions.rb
index 42c62338a..20ad2a378 100644
--- a/Library/Homebrew/exceptions.rb
+++ b/Library/Homebrew/exceptions.rb
@@ -343,8 +343,8 @@ class FormulaAmbiguousPythonError < RuntimeError
   def initialize(formula)
     super <<~EOS
       The version of python to use with the virtualenv in the `#{formula.full_name}` formula
-      cannot be guessed automatically. If the simultaneous use of python and python3
-      is intentional, please add `:using => "python"` or `:using => "python3"` to
+      cannot be guessed automatically. If the simultaneous use of python and python@2
+      is intentional, please add `:using => "python"` or `:using => "python@2"` to
       `virtualenv_install_with_resources` to resolve the ambiguity manually.
     EOS
   end