# Buggy code
def _main(*args):
    from ..base.constants import SEARCH_PATH
    from ..base.context import context

    from ..gateways.logging import set_all_logger_level, set_verbosity

    if len(args) == 1:
        args = args + ("-h",)

    p, sub_parsers = generate_parser()

    main_modules = [
        "info",
        "help",
        "list",
        "search",
        "create",
        "install",
        "update",
        "remove",
        "config",
        "clean",
        "package",
    ]
    modules = ["conda.cli.main_" + suffix for suffix in main_modules]
    for module in modules:
        imported = importlib.import_module(module)
        imported.configure_parser(sub_parsers)
        if "update" in module:
            imported.configure_parser(sub_parsers, name="upgrade")
        if "remove" in module:
            imported.configure_parser(sub_parsers, name="uninstall")

    from conda.cli.find_commands import find_commands

    def completer(prefix, **kwargs):
        return [
            i
            for i in list(sub_parsers.choices) + find_commands()
            if i.startswith(prefix)
        ]

    # when using sys.argv, first argument is generally conda or __main__.py.  Ignore it.
    if any(
        sname in args[0]
        for sname in ("conda", "conda.exe", "__main__.py", "conda-script.py")
    ) and (
        args[1] in list(sub_parsers.choices.keys()) + find_commands()
        or args[1].startswith("-")
    ):
        log.debug("Ignoring first argument (%s), as it is not a subcommand", args[0])
        args = args[1:]

    sub_parsers.completer = completer
    args = p.parse_args(args)

    context.__init__(SEARCH_PATH, "conda", args)

    if getattr(args, "json", False):
        # Silence logging info to avoid interfering with JSON output
        for logger in ("print", "dotupdate", "stdoutlog", "stderrlog"):
            getLogger(logger).setLevel(CRITICAL + 1)

    if context.debug:
        set_all_logger_level(DEBUG)
    elif context.verbosity:
        set_verbosity(context.verbosity)
        log.debug("verbosity set to %s", context.verbosity)

    exit_code = args.func(args, p)
    if isinstance(exit_code, int):
        return exit_code


# Traceback (ImportError)
$ conda -h
An unexpected error has occurred.
Please consider posting the following information to the
conda GitHub issue tracker at:

https://github.com/conda/conda/issues



Traceback (most recent call last):
File "/home/vmrguser/anaconda2/bin/conda", line 6, in <module>
sys.exit(conda.cli.main())
File "/home/vmrguser/anaconda2/lib/python2.7/site-packages/conda/cli/main.py", line 164, in main
return conda_exception_handler(_main, *args)
File "/home/vmrguser/anaconda2/lib/python2.7/site-packages/conda/exceptions.py", line 589, in conda_exception_handler
print_unexpected_error_message(e)
File "/home/vmrguser/anaconda2/lib/python2.7/site-packages/conda/exceptions.py", line 543, in print_unexpected_error_message
info_stdout, info_stderr = get_info()
File "/home/vmrguser/anaconda2/lib/python2.7/site-packages/conda/exceptions.py", line 513, in get_info
args.func(args, p)
File "/home/vmrguser/anaconda2/lib/python2.7/site-packages/conda/cli/main_info.py", line 148, in execute
from conda.api import get_index
File "/home/vmrguser/anaconda2/lib/python2.7/site-packages/conda/api.py", line 1, in <module>
from .core.index import get_index
File "/home/vmrguser/anaconda2/lib/python2.7/site-packages/conda/core/index.py", line 9, in <module>
from .repodata import collect_all_repodata
File "/home/vmrguser/anaconda2/lib/python2.7/site-packages/conda/core/repodata.py", line 21, in <module>
from requests.packages.urllib3.exceptions import InsecureRequestWarning
ImportError: No module named packages.urllib3.exceptions

# Fixed code
def _main(*args):
    from ..base.constants import SEARCH_PATH
    from ..base.context import context

    from ..gateways.logging import set_all_logger_level, set_verbosity

    if len(args) == 1:
        args = args + ("-h",)

    p, sub_parsers = generate_parser()

    main_modules = [
        "info",
        "help",
        "list",
        "search",
        "create",
        "install",
        "update",
        "remove",
        "config",
        "clean",
        "package",
    ]
    modules = ["conda.cli.main_" + suffix for suffix in main_modules]
    for module in modules:
        imported = importlib.import_module(module)
        imported.configure_parser(sub_parsers)
        if "update" in module:
            imported.configure_parser(sub_parsers, name="upgrade")
        if "remove" in module:
            imported.configure_parser(sub_parsers, name="uninstall")

    from .find_commands import find_commands

    def completer(prefix, **kwargs):
        return [
            i
            for i in list(sub_parsers.choices) + find_commands()
            if i.startswith(prefix)
        ]

    # when using sys.argv, first argument is generally conda or __main__.py.  Ignore it.
    if any(
        sname in args[0]
        for sname in ("conda", "conda.exe", "__main__.py", "conda-script.py")
    ) and (
        args[1] in list(sub_parsers.choices.keys()) + find_commands()
        or args[1].startswith("-")
    ):
        log.debug("Ignoring first argument (%s), as it is not a subcommand", args[0])
        args = args[1:]

    sub_parsers.completer = completer
    args = p.parse_args(args)

    context.__init__(SEARCH_PATH, "conda", args)

    if getattr(args, "json", False):
        # Silence logging info to avoid interfering with JSON output
        for logger in ("print", "dotupdate", "stdoutlog", "stderrlog"):
            getLogger(logger).setLevel(CRITICAL + 1)

    if context.debug:
        set_all_logger_level(DEBUG)
    elif context.verbosity:
        set_verbosity(context.verbosity)
        log.debug("verbosity set to %s", context.verbosity)

    exit_code = args.func(args, p)
    if isinstance(exit_code, int):
        return exit_code