docstring loader warnings when grc loads

[giladbeeri]

After installing the module, when loading GNU Radio Companion, a series of warnings are printed to the console:

Warning: restarting the docstring loader (crashed while loading 'baudline_sink')
Warning: restarting the docstring loader (crashed while loading 'baz_acars_decoder')
Warning: restarting the docstring loader (crashed while loading 'baz_acars_printer')
Warning: restarting the docstring loader (crashed while loading 'baz_additive_scrambler_bb')
Warning: restarting the docstring loader (crashed while loading 'baz_agc_xx')
Warning: docstring loader crashed too often
<<< Welcome to GNU Radio Companion 3.7.10.1 >>>

Block paths:
	/Users/XXX/.grc_gnuradio
	/opt/local/share/gnuradio/grc/blocks
Warning: restarting the docstring loader (crashed while loading 'auto_fec')
Warning: restarting the docstring loader (crashed while loading 'baz_block_status')
Warning: restarting the docstring loader (crashed while loading 'borip_sink')
Warning: restarting the docstring loader (crashed while loading 'borip_source')
Warning: restarting the docstring loader (crashed while loading 'baz_burst_tagger')
Warning: docstring loader crashed too often