Problem with "delete_gr_basic_block_sptr"

Hello, I’m new in GNU Radio and I’m had been following Dawei Shen’s
and in the last part in tutorial 11, when I did the last make check,
the aplication example, raised following error:

File “/usr/lib/python2.6/”, line 457, in run
for test in self._tests:

TypeError: in method ‘delete_gr_basic_block_sptr’, argument 1 of type
‘boost::shared_ptr< gr_basic_block > *’

I don’t know why appears these error and I don’t know how fixed it.

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