Output of osmocom_fft test

lee@lee-Inspiron-660:~/sandbox/gnuradio-builds$ osmocom_fft -a bladerf=0,fpga=hostedx115-latest.rbf -s 2000000 -f 446000000
Traceback (most recent call last):
  File "/opt/gnuradio-3.7.6.1/bin/osmocom_fft", line 34, in <module>
    import osmosdr
  File "/opt/gnuradio-3.7.6.1/lib/python2.7/dist-packages/osmosdr/__init__.py", line 26, in <module>
    from osmosdr_swig import *
  File "/opt/gnuradio-3.7.6.1/lib/python2.7/dist-packages/osmosdr/osmosdr_swig.py", line 28, in <module>
    _osmosdr_swig = swig_import_helper()
  File "/opt/gnuradio-3.7.6.1/lib/python2.7/dist-packages/osmosdr/osmosdr_swig.py", line 24, in swig_import_helper
    _mod = imp.load_module('_osmosdr_swig', fp, pathname, description)
ImportError: /opt/gnuradio-3.7.6.1/lib/libgnuradio-osmosdr-0.1.5git.so.0.0.0: undefined symbol: bladerf_set_correction
lee@lee-Inspiron-660:~/sandbox/gnuradio-builds$ gnuradio-companion