error raised in ligolw_segments_from_cats_dqsegdb

Created by: tcarver1234

File "/home/spxtc4/.conda/envs/pycbc-pygrb-o3/bin/ligolw_segments_from_cats_dqsegdb", line 432, in vetoed_segments = reduce(operator.or_, vetoed_segments).coalesce() NameError: name 'reduce' is not defined