ClassType was removed from python3.
The code testing for ClassType kept throwing AttributeError exceptions:
module 'types' has no attribute 'ClassType'
The exceptions prevented loading of any dynamically resolved target
controllers.
(From OE-Core rev: d62f18c39bc0ed3b0f5ac8465b393c15f2143ecf)
Signed-off-by: Juro Bystricky <juro.bystricky@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>