gstlal_snax_bank_overlap, gstlal_snax_dag_online, gstlal_snax_synchronize: fix...

gstlal_snax_bank_overlap, gstlal_snax_dag_online, gstlal_snax_synchronize: fix python3 import/syntax errors

gstlal-burst/bin/gstlal_snax_bank_overlap

@@ -33,15 +33,15 @@ from optparse import OptionParser
 import os
 import random
 import sys
-import urlparse
+from urllib.parse import urljoin
 
 import numpy
 
 import lal
 from glue import markup
 
-from gstlal import plotutil
 from gstlal import aggregator
+from gstlal.plots import util as plotutil
 from gstlal.snax import utils
 
 import matplotlib
@@ -198,7 +198,7 @@ def to_output_url(output_dir):
 	username = os.getlogin()
 	basepath = os.path.join(os.path.join('/home/', username), 'public_html')
 	extension_url = os.path.relpath(os.path.abspath(output_dir), basepath)
-	base_url = urlparse.urljoin(cluster_urls[options.cluster], '~' + username)
+	base_url = urljoin(cluster_urls[options.cluster], '~' + username)
 	return base_url + '/' + extension_url
 
 ###############################

gstlal-burst/bin/gstlal_snax_dag_online

@@ -83,7 +83,7 @@ def generate_options(options):
 			"persist-cadence": options.persist_cadence
 		}
 	else:
-		raise NotImplementedError, 'not an available option for online jobs at this time'
+		raise NotImplementedError("not an available option for online jobs at this time")
 
 	# program behavior options
 	program_options = {"psd-fft-length": options.psd_fft_length}

gstlal-burst/bin/gstlal_snax_synchronize

@@ -29,7 +29,7 @@ import json
 import logging
 
 from collections import deque
-from Queue import PriorityQueue
+from queue import PriorityQueue
 from optparse import OptionParser
 
 from ligo.scald import utils