try again to fix gstlal_inspiral_injection_snr

gstlal-inspiral/bin/gstlal_inspiral_injection_snr

@@ -148,7 +148,7 @@ else:
 
 # Load all PSDs so that they don't need to be loaded for every injection.
 allPSDs = dict(
-	(seg, read_psd_xmldoc(ligolw_utils.load_url(cacheentry.url, verbose = True, contenthandler = PSDContentHandler)))
+	(cacheentry.segment, read_psd_xmldoc(ligolw_utils.load_url(cacheentry.url, verbose = True, contenthandler = PSDContentHandler)))
 	for cacheentry in map(CacheEntry, open(options.reference_psd_cache)) if inj_segment is not None and cacheentry.segment.intersects(inj_segment)
 )