Traceback (most recent call last):

 "test_disp.py", line 15, in <module>
foo(1, 1)

 "/Users/sklam/dev/numba/numba/dispatcher.py", line 161, in _explain_ambiguous
tuple(self.overloads.keys()), args, kws)

 "/Users/sklam/dev/numba/numba/typing/templates.py", line 84, in resolve_overload
if len(args) == len(case.args):AttributeError: 'tuple' object has no attribute 'args'
Traceback (most recent call last):


 "site-packages\calibre\customize\ui.py", line 172, in _run_filetype_plugins


 "calibre_plugins.kfx_input.package_filetype", line 21, in run


 "calibre_plugins.kfx_input.package_filetype", line 33, in run_kfx


 "calibre_plugins.kfx_input.kfxlib.yj_book", line 87, in convert_to_single_kfx


 "calibre_plugins.kfx_input.kfxlib.yj_book", line 160, in decode_book


 "calibre_plugins.kfx_input.kfxlib.yj_book", line 267, in get_container
KFXDRMError: Book container B078GWN38X_EBOK.azw has DRM and cannot be converted
