adding python version back in

Author: joseph-flinn

tmuxp/cli.py

@@ -1107,7 +1107,7 @@ def format_tmux_resp(std_resp):
         #     )
         # ),
         output_break(),
-        # 'python version: %s' % ' '.join(sys.version.split('\n')),
+        'python version: %s' % ' '.join(sys.version.split('\n')),
         'system PATH: %s' % os.environ['PATH'],
         'tmux version: %s' % get_version(),
         'libtmux version: %s' % libtmux_version,