3 files changed, 11 insertions, 11 deletions
diff --git a/Library/Homebrew/compat/dependency_collector.rb b/Library/Homebrew/compat/dependency_collector.rb
index 88d393488..8bea8a5aa 100644
--- a/Library/Homebrew/compat/dependency_collector.rb
+++ b/Library/Homebrew/compat/dependency_collector.rb
@@ -52,11 +52,11 @@ class DependencyCollector
         output_deprecation(spec, "open-mpi")
         Dependency.new("open-mpi", tags)
       when :python, :python2
+        output_deprecation(spec, "python@2")
+        Dependency.new("python@2", tags)
+      when :python3
         output_deprecation(spec, "python")
         Dependency.new("python", tags)
-      when :python3
-        output_deprecation(spec, "python3")
-        Dependency.new("python3", tags)
       when :emacs, :mysql, :perl, :postgresql, :rbenv, :ruby
         output_deprecation(spec)
         Dependency.new(spec.to_s, tags)
diff --git a/Library/Homebrew/compat/requirements.rb b/Library/Homebrew/compat/requirements.rb
index 38344c1fc..3dd5c7479 100644
--- a/Library/Homebrew/compat/requirements.rb
+++ b/Library/Homebrew/compat/requirements.rb
@@ -84,16 +84,16 @@ end
 class PythonRequirement < Requirement
   fatal true
   satisfy do
-    odeprecated("PythonRequirement", "'depends_on \"python\"'")
-    which "python"
+    odeprecated("PythonRequirement", "'depends_on \"python@2\"'")
+    which "python2"
   end
 end
 
 class Python3Requirement < Requirement
   fatal true
   satisfy do
-    odeprecated("Python3Requirement", "'depends_on \"python3\"'")
-    which "python3"
+    odeprecated("Python3Requirement", "'depends_on \"python\"'")
+    which "python"
   end
 end
 
diff --git a/Library/Homebrew/compat/requirements/language_module_requirement.rb b/Library/Homebrew/compat/requirements/language_module_requirement.rb
index 5ddce7a66..fc9dcc442 100644
--- a/Library/Homebrew/compat/requirements/language_module_requirement.rb
+++ b/Library/Homebrew/compat/requirements/language_module_requirement.rb
@@ -38,9 +38,9 @@ class LanguageModuleRequirement < Requirement
     when :perl
       ["/usr/bin/env", "perl", "-e", "use #{@import_name}"]
     when :python
-      ["/usr/bin/env", "python", "-c", "import #{@import_name}"]
+      ["/usr/bin/env", "python2", "-c", "import #{@import_name}"]
     when :python3
-      ["/usr/bin/env", "python3", "-c", "import #{@import_name}"]
+      ["/usr/bin/env", "python", "-c", "import #{@import_name}"]
     when :ruby
       ["/usr/bin/env", "ruby", "-rubygems", "-e", "require '#{@import_name}'"]
     end
@@ -51,8 +51,8 @@ class LanguageModuleRequirement < Requirement
     when :lua     then "luarocks-5.2 install"
     when :lua51   then "luarocks-5.1 install"
     when :perl    then "cpan -i"
-    when :python  then "pip install"
-    when :python3 then "pip3 install"
+    when :python  then "pip3 install"
+    when :python3 then "pip install"
     when :ruby    then "gem install"
     end
   end