feat: update python and add python2 specifically

gimmes/python

@@ -1,4 +1,3 @@
 #!/bin/bash
 set -o errexit -o pipefail
 has python  ||  gimme_pkg python
-has easy_install || gimme_pkg python-setuptools

gimmes/python2

@@ -0,0 +1,3 @@
+#!/bin/bash
+set -o errexit -o pipefail
+has python2  ||  gimme_pkg python2