Update python recipes to use the updated pypi class

Signed-off-by: Derek Straka <derek@asterius.io>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-python/recipes-devtools/python/python-cryptography_1.1.bb

@@ -13,7 +13,7 @@ S = "${WORKDIR}/${SRCNAME}-${PV}"
 SRC_URI[md5sum] = "dd06da41535184f48f2c8e8b74dd570f"
 SRC_URI[sha256sum] = "059bc6428b1d0e2317f505698602642f1d8dda5b120ec573a59a430d8cb7a32d"
 
-inherit pypi
+inherit pypi setuptools
 
 RDEPENDS_${PN} = "\
                   python-pyasn1\
@@ -50,4 +50,4 @@ do_install_ptest() {
 
 FILES_${PN}-dbg += " \
     ${libdir}/python2.7/site-packages/${SRCNAME}/hazmat/bindings/.debug \
-    "
+    "