Some strings looks like they're meant to be f-strings but are missing the `f` prefix meaning variable interpolation won't happen.

https://github.com/ansible/ansible/blob/d06d99cbb6a61db043436092663de8b20f6d2017/lib/ansible/cli/galaxy.py#L154

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"""
        List installed collections or roles
        """
        if context.CLIARGS['type'] == 'role':
            self.execute_list_role()
        elif context.CLIARGS['type'] == 'collection':
            self.execute_list_collection()
    def execute_list_role(self):
        """
        List all roles installed on the local system or a specific role
        """
        path_found = False
        role_found = False
        warnings = []
        roles_search_paths = context.CLIARGS['roles_path']
        role_name = context.CLIARGS['role']
        for path in roles_search_paths:
            role_path = GalaxyCLI._resolve_path(path)
            if os.path.isdir(path):
                path_found = True
            else:
                warnings.append("- the configured path {0} does not exist.".format(path))
                continue
            if role_name: