diff --git a/spacecmd/src/spacecmd/activationkey.py b/spacecmd/src/spacecmd/activationkey.py
index 0171bcaa2997..ad29671914d7 100644
--- a/spacecmd/src/spacecmd/activationkey.py
+++ b/spacecmd/src/spacecmd/activationkey.py
@@ -33,10 +33,9 @@
 import re
 import shlex
 import gettext
-try:
-    from xmlrpc import client as xmlrpclib
-except ImportError:
-    import xmlrpclib
+
+from xmlrpc import client as xmlrpclib
+
 from spacecmd.i18n import _N
 from spacecmd.utils import *
 
diff --git a/spacecmd/src/spacecmd/api.py b/spacecmd/src/spacecmd/api.py
index 3e2a19e6d2a6..390fe2dd47ab 100644
--- a/spacecmd/src/spacecmd/api.py
+++ b/spacecmd/src/spacecmd/api.py
@@ -27,10 +27,9 @@
 import logging
 import sys
 import gettext
-try:
-    from xmlrpc import client as xmlrpclib
-except ImportError:
-    import xmlrpclib
+
+from xmlrpc import client as xmlrpclib
+
 from spacecmd.i18n import _N
 from spacecmd.utils import *
 
diff --git a/spacecmd/src/spacecmd/configchannel.py b/spacecmd/src/spacecmd/configchannel.py
index 92a7b5e97080..bac78715219a 100644
--- a/spacecmd/src/spacecmd/configchannel.py
+++ b/spacecmd/src/spacecmd/configchannel.py
@@ -34,10 +34,9 @@
 import base64
 import codecs
 import gettext
-try:
-    from xmlrpc import client as xmlrpclib
-except ImportError:
-    import xmlrpclib
+
+from xmlrpc import client as xmlrpclib
+
 from spacecmd.i18n import _N
 from spacecmd.utils import *
 
diff --git a/spacecmd/src/spacecmd/cryptokey.py b/spacecmd/src/spacecmd/cryptokey.py
index 61c28530eadf..cef257685945 100644
--- a/spacecmd/src/spacecmd/cryptokey.py
+++ b/spacecmd/src/spacecmd/cryptokey.py
@@ -27,10 +27,9 @@
 # pylint: disable=W0613
 
 import gettext
-try:
-    from xmlrpc import client as xmlrpclib
-except ImportError:
-    import xmlrpclib
+
+from xmlrpc import client as xmlrpclib
+
 from spacecmd.i18n import _N
 from spacecmd.utils import *
 
diff --git a/spacecmd/src/spacecmd/errata.py b/spacecmd/src/spacecmd/errata.py
index 2344d668253b..1f0bbcecc3fc 100644
--- a/spacecmd/src/spacecmd/errata.py
+++ b/spacecmd/src/spacecmd/errata.py
@@ -31,10 +31,9 @@
 # pylint: disable=C0103
 
 import gettext
-try:
-    from xmlrpc import client as xmlrpclib
-except ImportError:
-    import xmlrpclib
+
+from xmlrpc import client as xmlrpclib
+
 
 from spacecmd.i18n import _N
 from spacecmd.utils import *
diff --git a/spacecmd/src/spacecmd/group.py b/spacecmd/src/spacecmd/group.py
index 70d893e87826..f9c27e6201bf 100644
--- a/spacecmd/src/spacecmd/group.py
+++ b/spacecmd/src/spacecmd/group.py
@@ -33,10 +33,9 @@
 import os
 import re
 import shlex
-try:
-    from xmlrpc import client as xmlrpclib
-except ImportError:
-    import xmlrpclib
+
+from xmlrpc import client as xmlrpclib
+
 
 from spacecmd.i18n import _N
 from spacecmd.utils import *
diff --git a/spacecmd/src/spacecmd/kickstart.py b/spacecmd/src/spacecmd/kickstart.py
index d4b35c9dc827..ce84cd929b9b 100644
--- a/spacecmd/src/spacecmd/kickstart.py
+++ b/spacecmd/src/spacecmd/kickstart.py
@@ -34,16 +34,12 @@
 import os
 from getpass import getpass
 from operator import itemgetter
-try:
-    from urllib2 import urlopen, HTTPError
-except ImportError:
-    from urllib.request import urlopen
-    from urllib.error import HTTPError
+
+from urllib.request import urlopen
+from urllib.error import HTTPError
 import re
-try:
-    from xmlrpc import client as xmlrpclib
-except ImportError:
-    import xmlrpclib
+
+from xmlrpc import client as xmlrpclib
 
 from spacecmd.i18n import _N
 from spacecmd.utils import *
diff --git a/spacecmd/src/spacecmd/package.py b/spacecmd/src/spacecmd/package.py
index 280390724c9e..bf18668dcaa9 100644
--- a/spacecmd/src/spacecmd/package.py
+++ b/spacecmd/src/spacecmd/package.py
@@ -30,10 +30,9 @@
 # pylint: disable=C0103
 
 import gettext
-try:
-    from xmlrpc import client as xmlrpclib
-except ImportError:
-    import xmlrpclib
+
+from xmlrpc import client as xmlrpclib
+
 from spacecmd.i18n import _N
 from spacecmd.utils import *
 
diff --git a/spacecmd/src/spacecmd/repo.py b/spacecmd/src/spacecmd/repo.py
index cd4a4b5e7c9a..e070beb1ffbb 100644
--- a/spacecmd/src/spacecmd/repo.py
+++ b/spacecmd/src/spacecmd/repo.py
@@ -31,10 +31,9 @@
 
 import gettext
 import shlex
-try:
-    from xmlrpc import client as xmlrpclib
-except ImportError:
-    import xmlrpclib
+
+from xmlrpc import client as xmlrpclib
+
 from spacecmd.i18n import _N
 from spacecmd.utils import *
 
diff --git a/spacecmd/src/spacecmd/schedule.py b/spacecmd/src/spacecmd/schedule.py
index a34b8787f95f..2899c02c7146 100644
--- a/spacecmd/src/spacecmd/schedule.py
+++ b/spacecmd/src/spacecmd/schedule.py
@@ -32,10 +32,9 @@
 import base64
 import gettext
 from operator import itemgetter
-try:
-    from xmlrpc import client as xmlrpclib
-except ImportError:
-    import xmlrpclib
+
+from xmlrpc import client as xmlrpclib
+
 from spacecmd.i18n import _N
 from spacecmd.utils import *
 
diff --git a/spacecmd/src/spacecmd/shell.py b/spacecmd/src/spacecmd/shell.py
index 2ce13c1cc221..f5230e1eb763 100644
--- a/spacecmd/src/spacecmd/shell.py
+++ b/spacecmd/src/spacecmd/shell.py
@@ -52,7 +52,7 @@
 class UnknownCallException(Exception):
 
     def __init__(self):
-        Exception.__init__(self)
+        super().__init__(self)
 
 
 class SpacewalkShell(Cmd):
diff --git a/spacecmd/src/spacecmd/softwarechannel.py b/spacecmd/src/spacecmd/softwarechannel.py
index 432934acc363..376e48018d9d 100644
--- a/spacecmd/src/spacecmd/softwarechannel.py
+++ b/spacecmd/src/spacecmd/softwarechannel.py
@@ -31,18 +31,12 @@
 # pylint: disable=C0103
 
 import gettext
-try:
-    from urllib import ContentTooShortError
-except ImportError:
-    from urllib.error import ContentTooShortError
-try:
-    from urllib import urlretrieve
-except ImportError:
-    from urllib.request import urlretrieve
-try:
-    from xmlrpc import client as xmlrpclib
-except ImportError:
-    import xmlrpclib
+
+from urllib.error import ContentTooShortError
+from urllib.request import urlretrieve
+
+from xmlrpc import client as xmlrpclib
+
 from spacecmd.i18n import _N
 from spacecmd.utils import *
 
diff --git a/spacecmd/src/spacecmd/system.py b/spacecmd/src/spacecmd/system.py
index 5ef4bf1b5540..3f405ac603a8 100644
--- a/spacecmd/src/spacecmd/system.py
+++ b/spacecmd/src/spacecmd/system.py
@@ -33,10 +33,8 @@
 import gettext
 import shlex
 from datetime import datetime
-try:
-    from xmlrpc import client as xmlrpclib
-except ImportError:
-    import xmlrpclib
+from xmlrpc import client as xmlrpclib
+
 from getpass import getpass
 from operator import itemgetter
 from xml.parsers.expat import ExpatError
diff --git a/spacecmd/src/spacecmd/user.py b/spacecmd/src/spacecmd/user.py
index 85eff59c43e0..66b0f6e68d1c 100644
--- a/spacecmd/src/spacecmd/user.py
+++ b/spacecmd/src/spacecmd/user.py
@@ -33,10 +33,9 @@
 import gettext
 import shlex
 from getpass import getpass
-try:
-    from xmlrpc import client as xmlrpclib
-except ImportError:
-    import xmlrpclib
+
+from xmlrpc import client as xmlrpclib
+
 from spacecmd.i18n import _N
 from spacecmd.utils import *
 
diff --git a/spacecmd/src/spacecmd/utils.py b/spacecmd/src/spacecmd/utils.py
index 329924be2501..f1c351700c10 100644
--- a/spacecmd/src/spacecmd/utils.py
+++ b/spacecmd/src/spacecmd/utils.py
@@ -40,11 +40,8 @@
 import sys
 import time
 import argparse
+from xmlrpc import client as xmlrpclib
 
-try:
-    from xmlrpc import client as xmlrpclib
-except ImportError:
-    import xmlrpclib
 from collections import deque
 from datetime import datetime, timedelta
 from difflib import unified_diff
@@ -53,10 +50,7 @@
 from subprocess import Popen, PIPE
 from dateutil.parser import isoparse
 
-try:
-    import json
-except ImportError:
-    import simplejson as json  # python < 2.6
+import json
 
 import rpm