Update mimetypes in Python lexers

Author: mlpo

Diff for: lexers/p/python.go

@@ -11,7 +11,7 @@ var Python = internal.Register(MustNewLazyLexer(
 		Name:      "Python",
 		Aliases:   []string{"python", "py", "python3", "py3"},
 		Filenames: []string{"*.py", "*.pyi", "*.pyw", "*.sc", "SConstruct", "SConscript", "*.tac", "*.sage"},
-		MimeTypes: []string{"text/x-python3", "application/x-python3"},
+		MimeTypes: []string{"text/x-python", "application/x-python", "text/x-python3", "application/x-python3"},
 	},
 	pythonRules,
 ))

Diff for: lexers/p/python2.go

@@ -11,7 +11,7 @@ var Python2 = internal.Register(MustNewLazyLexer(
 		Name:      "Python 2",
 		Aliases:   []string{"python2", "py2"},
 		Filenames: []string{},
-		MimeTypes: []string{"text/x-python", "application/x-python"},
+		MimeTypes: []string{"text/x-python2", "application/x-python2"},
 	},
 	python2Rules,
 ))