1 files changed, 6 insertions, 12 deletions
diff --git a/lib/bb/namedtuple_with_abc.py b/lib/bb/namedtuple_with_abc.py
index 32f2fc642..e46dbf084 100644
--- a/lib/bb/namedtuple_with_abc.py
+++ b/lib/bb/namedtuple_with_abc.py
@@ -1,6 +1,8 @@
 # http://code.activestate.com/recipes/577629-namedtupleabc-abstract-base-class-mix-in-for-named/
-#!/usr/bin/env python
 # Copyright (c) 2011 Jan Kaliszewski (zuo). Available under the MIT License.
+#
+# SPDX-License-Identifier: MIT
+#
 
 """
 namedtuple_with_abc.py:
@@ -59,17 +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