Remove python2 support in imports

We don't use python2 anywhere anymore, and these imports are tough to
analize for LSP (694396e)

analytics/report-analytics

@@ -4,12 +4,8 @@ import argparse
 import os
 import subprocess
 import sys
-try:
-    from commands import getstatusoutput
-    from urllib import urlopen
-except ImportError:
-    from subprocess import getstatusoutput
-    from urllib.request import urlopen
+from subprocess import getstatusoutput
+from urllib.request import urlopen
 
 
 def python_version():

ci/sync-mapusers.py

@@ -3,10 +3,7 @@
 from requests import get
 from random import choice
 import yaml,sys
-try:
-  from urlparse import urlsplit,urlunsplit
-except ImportError:
-  from urllib.parse import urlsplit,urlunsplit
+from urllib.parse import urlsplit,urlunsplit
 
 url = sys.argv[1]
 mesos_dns = "leader.mesos:8123"

report-pr-errors

@@ -2,10 +2,7 @@
 from __future__ import print_function
 
 from argparse import ArgumentParser, Namespace
-try:
-    from commands import getstatusoutput
-except ImportError:
-    from subprocess import getstatusoutput
+from subprocess import getstatusoutput
 from collections import deque
 from fnmatch import fnmatch
 from glob import glob