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What steps will reproduce the problem?

Try to deploy a function with a google.storage.object.finalize event-type trigger. Observe the crash.


What is the expected output? What do you see instead?

I expected the function to be deployed...

Please provide any additional information below.

gcloud was installed via the Fedora/CentOS/RHEL installation instructions on your documentation page.
My system is running Fedora 33.
I invoked gcloud with Python version 3.8.6.

Trace:
gcloud_main.py:185
 gcloud_cli.Execute()
calliope/cli.py:1009
 self._HandleAllErrors(exc, command_path_string, specified_arg_names)
calliope/cli.py:1046
 exceptions.HandleError(exc, command_path_string, self.__known_error_handler)
calliope/exceptions.py:522
 core_exceptions.reraise(exc)
core/exceptions.py:146
 six.reraise(type(exc_value), exc_value, tb)
six/__init__.py:693
 raise value
calliope/cli.py:952
 args = self.__parser.parse_args(_ApplyFlagsFile(argv))
calliope/parser_extensions.py:701
 namespace, unknown_args, _ = self._ParseKnownArgs(args, namespace)
calliope/parser_extensions.py:488
 parser.parse_known_args(args, namespace) or (namespace, []))
calliope/parser_extensions.py:665
 namespace, unknown_args, error_context = self._ParseKnownArgs(
calliope/parser_extensions.py:488
 parser.parse_known_args(args, namespace) or (namespace, []))
argparse/__init__.py:1735
 namespace, args = self._parse_known_args(args, namespace)
argparse/__init__.py:1923
 positionals_end_index = consume_positionals(start_index)
argparse/__init__.py:1900
 take_action(action, args)
argparse/__init__.py:1809
 action(self, namespace, argument_values, option_string)
calliope/parser_extensions.py:1231
 super(CommandGroupAction, self).__call__(
argparse/__init__.py:1111
 namespace, arg_strings = parser.parse_known_args(arg_strings, namespace)
calliope/parser_extensions.py:665
 namespace, unknown_args, error_context = self._ParseKnownArgs(
calliope/parser_extensions.py:488
 parser.parse_known_args(args, namespace) or (namespace, []))
argparse/__init__.py:1735
 namespace, args = self._parse_known_args(args, namespace)
argparse/__init__.py:1923
 positionals_end_index = consume_positionals(start_index)
argparse/__init__.py:1900
 take_action(action, args)
argparse/__init__.py:1809
 action(self, namespace, argument_values, option_string)
calliope/parser_extensions.py:1231
 super(CommandGroupAction, self).__call__(
argparse/__init__.py:1111
 namespace, arg_strings = parser.parse_known_args(arg_strings, namespace)
calliope/parser_extensions.py:665
 namespace, unknown_args, error_context = self._ParseKnownArgs(
calliope/parser_extensions.py:488
 parser.parse_known_args(args, namespace) or (namespace, []))
argparse/__init__.py:1735
 namespace, args = self._parse_known_args(args, namespace)
argparse/__init__.py:1941
 start_index = consume_optional(start_index)
argparse/__init__.py:1881
 take_action(action, args, option_string)
argparse/__init__.py:1793
 argument_values = self._get_values(action, argument_strings)
calliope/parser_extensions.py:1150
 return super(ArgumentParser, self)._get_values(action, arg_strings)
argparse/__init__.py:2219
 value = self._get_value(action, arg_string)
argparse/__init__.py:2248
 result = type_func(arg_string)
command_lib/util/args/map_util.py:92
 for key, value in map_file_dict.items():
AttributeError: 'str' object has no attribute 'items'


Installation information:

Google Cloud SDK [318.0.0]

Platform: [Linux, x86_64] uname_result(system='Linux', node='chansey', release='5.8.17-300.fc33.x86_64', version='#1 SMP Thu Oct 29 15:55:40 UTC 2020', machine='x86_64', processor='x86_64')
Locale: ('en_CA', 'UTF-8')
Python Version: [3.8.6 (default, Nov 12 2020, 11:09:54)  [GCC 10.2.1 20201016 (Red Hat 10.2.1-6)]]
Python Location: [${HOME}/.pyenv/versions/3.8.6/bin/python3]
Site Packages: [Disabled]

Installation Root: [${SDK_ROOT}]
Installed Components:
  gsutil: [4.54]
  kubectl: [1.16.13]
  alpha: [2020.11.06]
  core: [2020.11.06]
  beta: [2020.11.06]
  bq: [2.0.62]
System PATH: [${HOME}/.pyenv/versions/3.8.6/bin:${HOME}/.pyenv/libexec:${HOME}/.pyenv/plugins/python-build/bin:${HOME}/.pyenv/plugins/pyenv-virtualenv/bin:${HOME}/.pyenv/plugins/pyenv-update/bin:${HOME}/.pyenv/plugins/pyenv-installer/bin:${HOME}/.pyenv/plugins/pyenv-doctor/bin:${HOME}/.pyenv/plugins/python-build/bin:${HOME}/.pyenv/plugins/pyenv-virtualenv/bin:${HOME}/.pyenv/plugins/pyenv-update/bin:${HOME}/.pyenv/plugins/pyenv-installer/bin:${HOME}/.pyenv/plugins/pyenv-doctor/bin:${HOME}/.pyenv/plugins/pyenv-virtualenv/shims:${HOME}/.pyenv/shims:${HOME}/.pyenv/bin:${HOME}/.cargo/bin:${HOME}/.pyenv/plugins/pyenv-virtualenv/shims:${HOME}/.pyenv/shims:${HOME}/.pyenv/bin:${HOME}/.cargo/bin:${HOME}/.cargo/bin:${HOME}/.cargo/bin:/usr/share/Modules/bin:/usr/lib64/ccache:${HOME}/.cargo/bin:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:${HOME}/bin:${HOME}/bin:${HOME}/go/bin:${HOME}/.node/bin:${HOME}/bin:${HOME}/.local/bin:${HOME}/go/bin:${HOME}/.node/bin:${HOME}/bin:${HOME}/.local/bin]
Python PATH: [${SDK_ROOT}/lib/third_party:${SDK_ROOT}/lib:${HOME}/.pyenv/versions/3.8.6/lib/python38.zip:${HOME}/.pyenv/versions/3.8.6/lib/python3.8:${HOME}/.pyenv/versions/3.8.6/lib/python3.8/lib-dynload]
Cloud SDK on PATH: [False]
Kubectl on PATH: [False]

Installation Properties: [${SDK_ROOT}/properties]
User Config Directory: [${CLOUDSDK_CONFIG}]
Active Configuration Name: [default]
Active Configuration Path: [${CLOUDSDK_CONFIG}/configurations/config_default]

Account: [k..e@u..a]
Project: [v..0]

Current Properties:
  [core]
    account: [k..e@u..a]
    disable_usage_reporting: [True]
    project: [v..0]

Logs Directory: [${CLOUDSDK_CONFIG}/logs]
Last Log File: [${CLOUDSDK_CONFIG}/logs/2020.11.12/11.22.52.144742.log]

git: [git version 2.28.0]
ssh: [OpenSSH_8.4p1, OpenSSL 1.1.1g FIPS  21 Apr 2020]