gstlal_inspiral_plot_sensitivity: fix import error

gstlal-inspiral/bin/gstlal_inspiral_plot_sensitivity

@@ -39,7 +39,7 @@ from lal import rate
 from lal.utils import CacheEntry
 
 from gstlal import imr_utils
-from gstlal import dagparts
+from gstlal import datafind
 from gstlal.plots import sensitivity as plotsens
 from matplotlib import pyplot
 
@@ -596,7 +596,7 @@ for bin_type in opts.bin_types:
         ifostr = "%s_%s" % (UL.searched_instruments, "".join(sorted(instr)))
         for fig, plot_type in zip((fig_far, fig_far_range, fig_snr, fig_eff), ("VOLUME_VS_FAR", "RANGE_VS_FAR", "VOLUME_VS_SNR", "EFFICIENCY")):
             plot_desc = f"GSTLAL_INSPIRAL_PLOT_SENSITIVITY_{plot_type}_{opts.user_tag}_BINNED_BY_{bin_type.upper()}"
-            tag = dagparts.T050017_filename(ifostr, plot_desc, (UL.start_time, UL.end_time), ".png", path = opts.output_dir)
+            tag = datafind.T050017_filename(ifostr, plot_desc, (UL.start_time, UL.end_time), ".png", path = opts.output_dir)
             fig.savefig(tag)
             pyplot.close(fig)