Started removing dependency on six

Removed all dependency on six other than for six.moves.input

Also:
- Started removing code branches which were for Python 2 support

1 files changed, 1 insertions, 1 deletions

diff --git a/examples/tab_completion.py b/examples/tab_completion.py
index 1419b294..919e9560 100755
--- a/examples/tab_completion.py
+++ b/examples/tab_completion.py
@@ -16,7 +16,7 @@ class TabCompleteExample(cmd2.Cmd):
     """ Example cmd2 application where we a base command which has a couple subcommands."""
 
     def __init__(self):
-        cmd2.Cmd.__init__(self)
+        super().__init__()
 
     add_item_parser = argparse.ArgumentParser()
     add_item_group = add_item_parser.add_mutually_exclusive_group()