ERROR: Unable to parse OE_IMPORTED[:=]
Traceback (most recent call last):
  File "/home/builder/tmp/build/../oe-core/meta/lib/oe/data.py", line 1, in <module>:

     def typed_value(key, d):
         """Construct a value for the specified metadata variable, using its flags
  File "/home/builder/tmp/build/../oe-core/meta/lib/oe/maketype.py", line 102, in <module>:
             continue

    >    register(name, obj)
  File "/home/builder/tmp/build/../oe-core/meta/lib/oe/maketype.py", line 89, in register(name='OEList', factory=<class 'oe.types.OEList'>):
         arguments."""
    >    factory_setup(name, factory)
         available_types[factory.name] = factory
  File "/home/builder/tmp/build/../oe-core/meta/lib/oe/maketype.py", line 73, in factory_setup(name='OEList', obj=<class 'oe.types.OEList'>):
         """Prepare a factory for use."""
    >    args, optional = get_callable_args(obj)
         extra_args = args[1:]
  File "/home/builder/tmp/build/../oe-core/meta/lib/oe/maketype.py", line 57, in get_callable_args(obj=<unbound method OEList.__init__>):

    >    sig = inspect.signature(obj)
         args = list(sig.parameters.keys())
ExpansionError: Failure expanding variable OE_IMPORTED[:=], expression was ${@oe_import(d)} which triggered exception AttributeError: 'module' object has no attribute 'signature'