Db_dbs_rx .py error

[Dobai-Pataky_BSSSSl]

Hi.,

Im trying to use run gssm_usrp_py ( GNU 3.2.2) , but.
Below mentioned is the error.when im trying to run the script.

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Traceback (most recent call last):
File “./gssm_usrp.py”, line 5, in
from gnuradio import gr, usrp, db_dbs_rx, blks
ImportError: cannot import name db_dbs_rx