Public bug reported:
If I add --help to the end of an enable command, I get a stack trace:
```
ubuntu@pro1604:~$ sudo ua enable fips --help
ERROR:root:Unhandled exception, please file a bug
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/uaclient/cli.py", line 937, in wrapper
return func(*args, **kwargs)
File "/usr/lib/python3/dist-packages/uaclient/cli.py", line 987, in main
args = parser.parse_args(args=cli_arguments)
File "/usr/lib/python3.5/argparse.py", line 1735, in parse_args
args, argv = self.parse_known_args(args, namespace)
File "/usr/lib/python3.5/argparse.py", line 1767, in parse_known_args
namespace, args = self._parse_known_args(args, namespace)
File "/usr/lib/python3.5/argparse.py", line 1955, in _parse_known_args
positionals_end_index = consume_positionals(start_index)
File "/usr/lib/python3.5/argparse.py", line 1932, in consume_positionals
take_action(action, args)
File "/usr/lib/python3.5/argparse.py", line 1841, in take_action
action(self, namespace, argument_values, option_string)
File "/usr/lib/python3.5/argparse.py", line 1138, in __call__
subnamespace, arg_strings = parser.parse_known_args(arg_strings, None)
File "/usr/lib/python3.5/argparse.py", line 1767, in parse_known_args
namespace, args = self._parse_known_args(args, namespace)
File "/usr/lib/python3.5/argparse.py", line 1973, in _parse_known_args
start_index = consume_optional(start_index)
File "/usr/lib/python3.5/argparse.py", line 1913, in consume_optional
take_action(action, args, option_string)
File "/usr/lib/python3.5/argparse.py", line 1841, in take_action
action(self, namespace, argument_values, option_string)
File "/usr/lib/python3.5/argparse.py", line 1025, in __call__
parser.print_help()
File "/usr/lib/python3/dist-packages/uaclient/cli.py", line 93, in print_help
super().print_help(file=file)
File "/usr/lib/python3.5/argparse.py", line 2367, in print_help
self._print_message(self.format_help(), file)
File "/usr/lib/python3.5/argparse.py", line 2351, in format_help
return formatter.format_help()
File "/usr/lib/python3.5/argparse.py", line 287, in format_help
help = self._root_section.format_help()
File "/usr/lib/python3.5/argparse.py", line 217, in format_help
func(*args)
File "/usr/lib/python3.5/argparse.py", line 217, in format_help
func(*args)
File "/usr/lib/python3.5/argparse.py", line 524, in _format_action
help_text = self._expand_help(action)
File "/usr/lib/python3.5/argparse.py", line 611, in _expand_help
return self._get_help_string(action) % params
TypeError: unsupported operand type(s) for %: 'tuple' and 'dict'
Unexpected error(s) occurred.
For more details, see the log: /var/log/ubuntu-advantage.log
To file a bug run: ubuntu-bug ubuntu-advantage-tools
```
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: ubuntu-advantage-tools 26.3~16.04.1
ProcVersionSignature: User Name 4.15.0-1113.126~16.04.1-azure 4.15.18
Uname: Linux 4.15.0-1113-azure x86_64
ApportVersion: 2.20.1-0ubuntu2.30
Architecture: amd64
Date: Wed Jun 9 21:14:41 2021
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: ubuntu-advantage-tools
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: ubuntu-advantage-tools (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug third-party-packages uec-images xenial
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https://bugs.launchpad.net/bugs/1931501
Title:
Stack trace when --help flag added to the end of a command
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