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##### SUMMARY
`ansible-galaxy import` is broken, potentially by the introduction of the `collection` subcommand? Fails early trying to read CLI args...

##### ISSUE TYPE
- Bug Report

##### COMPONENT NAME
`ansible-galaxy`

##### ANSIBLE VERSION
```
ansible 2.9.0.dev0
  config file = /etc/ansible/ansible.cfg
  configured module search path = ['/home/calvin/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /home/calvin/projects/ansible/lib/ansible
  executable location = /home/calvin/.local/share/virtualenvs/orion/bin/ansible
  python version = 3.6.8 (default, Mar 21 2019, 10:08:12) [GCC 8.3.1 20190223 (Red Hat 8.3.1-2)]

```

##### CONFIGURATION
<!--- Paste verbatim output from "ansible-config dump --only-changed" between quotes -->
```
(empty)
```

##### OS / ENVIRONMENT
<!--- Provide all relevant information below, e.g. target OS versions, network device firmware, etc. -->


##### STEPS TO REPRODUCE
Simply invoke the `import` subcommand or any repository:

```ansible-galaxy import -vvv --server=http://127.0.0.1:8000 orionuser1 ansible-testing-content```

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##### EXPECTED RESULTS
<!--- Describe what you expected to happen when running the steps above -->
An import to start, to observe the import log, and be given the results.

##### ACTUAL RESULTS
<!--- Describe what actually happened. If possible run with extra verbosity (-vvvv) -->

<!--- Paste verbatim command output between quotes -->
```
ansible-galaxy 2.9.0.dev0
  config file = /etc/ansible/ansible.cfg
  configured module search path = ['/home/calvin/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /home/calvin/projects/ansible/lib/ansible
  executable location = /home/calvin/.local/share/virtualenvs/orion/bin/ansible-galaxy
  python version = 3.6.8 (default, Mar 21 2019, 10:08:12) [GCC 8.3.1 20190223 (Red Hat 8.3.1-2)]
Using /etc/ansible/ansible.cfg as config file
Opened /home/calvin/.ansible_galaxy
ERROR! Unexpected Exception, this is probably a bug: 'args'
the full traceback was:

Traceback (most recent call last):
  File "/home/calvin/projects/ansible/bin/ansible-galaxy", line 111, in <module>
    exit_code = cli.run()
  File "/home/calvin/projects/ansible/lib/ansible/cli/galaxy.py", line 268, in run
    context.CLIARGS['func']()
  File "/home/calvin/projects/ansible/lib/ansible/cli/galaxy.py", line 832, in execute_import
    if len(context.CLIARGS['args']) < 2:
  File "/home/calvin/projects/ansible/lib/ansible/module_utils/common/collections.py", line 20, in __getitem__
    return self._store[key]
KeyError: 'args'

```

collection = type_parser.add_parser('collection',
                                            parents=[common],
                                            help='Manage an Ansible Galaxy collection.')
        collection_parser = collection.add_subparsers(metavar='ACTION', dest='collection')
        collection_parser.required = True
        build_parser = collection_parser.add_parser(
            'build', help='Build an Ansible collection artifact that can be published to Ansible Galaxy.',
            parents=[common, force])
        build_parser.set_defaults(func=self.execute_build)
        build_parser.add_argument(
            'args', metavar='collection', nargs='*', default=('./',),
            help='Path to the collection(s) directory to build. This should be the directory that contains the '
                 'galaxy.yml file. The default is the current working directory.')
        build_parser.add_argument(
            '--output-path', dest='output_path', default='./',
            help='The path in which the collection is built to. The default is the current working directory.')
        self.add_init_parser(collection_parser, [common, force])
        cinstall_parser = collection_parser.add_parser('install', help='Install collection from Ansible Galaxy',
                                                       parents=[force, common])
        cinstall_parser.set_defaults(func=self.execute_install)
        cinstall_parser.add_argument('args', metavar='collection_name', nargs='*',
                                     help='The collection(s) name or path/url to a tar.gz collection artifact. This '
                                          'is mutually exclusive with --requirements-file.')
        cinstall_parser.add_argument('-p', '--collections-path', dest='collections_path', required=True,
                                     help='The path to the directory containing your collections.')
        cinstall_parser.add_argument('-i', '--ignore-errors', dest='ignore_errors', action='store_true', default=False,
                                     help='Ignore errors during installation and continue with the next specified '
                                          'collection. This will not ignore dependency conflict errors.')
        cinstall_parser.add_argument('-r', '--requirements-file', dest='requirements',
                                     help='A file containing a list of collections to be installed.')