excesspower.parts: update async -> async_ in elem properties

gstlal-burst/python/excesspower/parts.py

@@ -808,7 +808,7 @@ def mknxyfdsink(pipeline, src, fd, segment = None, units = utils.EXCESSPOWER_UNI
         elem = pipeparts.mkgeneric(pipeline, src, "lal_nxydump", start_time = int(segment[0].ns()*units), stop_time = int(segment[1].ns()*units))
     else:
         elem = pipeparts.mkgeneric(pipeline, src, "lal_nxydump")
-    return pipeparts.mkgeneric(pipeline, elem, "fdsink", fd=fd, sync=False, async=False)
+    return pipeparts.mkgeneric(pipeline, elem, "fdsink", fd=fd, sync=False, async_=False)
 
 #
 # =============================================================================
@@ -1133,7 +1133,7 @@ def stream_tfmap_video(pipeline, head, handler, filename=None, split_on=None, sn
 			filename = filename + "_%d.ogg"
 
 		print >>sys.stderr, "Streaming TF maps to %s\n" % filename
-		pipeparts.mkgeneric( pipeline, head, "multifilesink", next_file = 2, location = filename, sync = False, async = False)
+		pipeparts.mkgeneric( pipeline, head, "multifilesink", next_file = 2, location = filename, sync = False, async_ = False)
 
 	elif filename is not None:
 		# Muxer