bitbake: lib: fix most undefined code picked up by pylint

Correctly import, and inherit functions, and variables.
Also fix some typos and remove some Python 2 code that isn't recognised.

(Bitbake rev: b0c807be5c2170c9481c1a04d4c11972135d7dc5)

Signed-off-by: Frazer Clews <frazerleslieclews@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 11 deletions

diff --git a/bitbake/lib/bb/namedtuple_with_abc.py b/bitbake/lib/bb/namedtuple_with_abc.py
index 646aed6ffd..e46dbf0849 100644
--- a/bitbake/lib/bb/namedtuple_with_abc.py
+++ b/bitbake/lib/bb/namedtuple_with_abc.py
@@ -61,17 +61,9 @@ class _NamedTupleABCMeta(ABCMeta):
         return ABCMeta.__new__(mcls, name, bases, namespace)
 
 
-exec(
-    # Python 2.x metaclass declaration syntax
-    """class _NamedTupleABC(object):
-        '''The abstract base class + mix-in for named tuples.'''
-        __metaclass__ = _NamedTupleABCMeta
-        _fields = abstractproperty()""" if version_info[0] < 3 else
-    # Python 3.x metaclass declaration syntax
-    """class _NamedTupleABC(metaclass=_NamedTupleABCMeta):
-        '''The abstract base class + mix-in for named tuples.'''
-        _fields = abstractproperty()"""
-)
+class _NamedTupleABC(metaclass=_NamedTupleABCMeta):
+    '''The abstract base class + mix-in for named tuples.'''
+    _fields = abstractproperty()
 
 
 _namedtuple.abc = _NamedTupleABC