gstlal-inspiral/python/plots/dtdphi.py : undo the jacobian factor in calculating P(dt,dphi)

gstlal-inspiral/python/plots/dtdphi.py

@@ -63,8 +63,9 @@ def dtdphi2prob(dt, dphi, ifo1, ifo2, refsnr, refhorizon):
 	phi = {ifo1: 0, ifo2: dphi}
 	snr = {ifo1: refsnr[ifo1], ifo2: refsnr[ifo2]}
 	horizon = {ifo1: refhorizon[ifo1], ifo2: refhorizon[ifo2]}
+	snr_net = sum(x**2 for x in snr.values())**.5
 	# signature is (time, phase, snr, horizon)
-	p = TPDPDF.time_phase_snr(t, phi, snr, horizon) * (sum(s**2 for s in snr.values())**.5)**4
+	p = TPDPDF.time_phase_snr(t, phi, snr, horizon) * (snr_net)**4 / (snr_net / numpy.prod([x for x in snr.values()]))
 	return float(p)