add the "SubSolarMass" Label to the Injection Events uploaded via Event Uploader

To distinguish the injection events of SSM and injection events of all-sky in GraceDB, we add a "SubSolarMass" to SSM injection events.

gstlal-inspiral/bin/gstlal_ll_inspiral_event_uploader

@@ -529,9 +529,9 @@ class EventUploader(events.EventProcessor):
 				# add labels
 				labels = []
 				if self.is_injection_job:
-					labels.append(['SUBSOLAR_MASS'])
+					labels.append('SUBSOLAR_MASS')
 				if 'apply_snr_optimized_label' in event['favored'] and event['favored']['apply_snr_optimized_label']:
-					labels.append(['SNR_OPTIMIZED']) # don't apply the SNR_OPTIMIZED label for skymap optimizer events
+					labels.append('SNR_OPTIMIZED') # don't apply the SNR_OPTIMIZED label for skymap optimizer events
 
 				resp = self.client.createEvent(
 					self.gracedb_group,