# Buggy code
def execute(args, parser):
    prefix = context.prefix_w_legacy_search
    regex = args.regex
    if args.full_name:
        regex = r"^%s$" % regex

    if args.revisions:
        from conda.history import History

        h = History(prefix)
        if isfile(h.path):
            if not context.json:
                h.print_log()
            else:
                stdout_json(h.object_log())
        else:
            raise CondaFileNotFoundError(h.path)
        return

    if args.explicit:
        print_explicit(prefix, args.md5)
        return

    if args.canonical:
        format = "canonical"
    elif args.export:
        format = "export"
    else:
        format = "human"
    if context.json:
        format = "canonical"

    exitcode = print_packages(
        prefix,
        regex,
        format,
        piplist=args.pip,
        json=context.json,
        show_channel_urls=context.show_channel_urls,
    )
    return exitcode


# 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 execute(args, parser):
    prefix = context.prefix_w_legacy_search
    regex = args.regex
    if args.full_name:
        regex = r"^%s$" % regex

    if args.revisions:
        from ..history import History

        h = History(prefix)
        if isfile(h.path):
            if not context.json:
                h.print_log()
            else:
                stdout_json(h.object_log())
        else:
            raise CondaFileNotFoundError(h.path)
        return

    if args.explicit:
        print_explicit(prefix, args.md5)
        return

    if args.canonical:
        format = "canonical"
    elif args.export:
        format = "export"
    else:
        format = "human"
    if context.json:
        format = "canonical"

    exitcode = print_packages(
        prefix,
        regex,
        format,
        piplist=args.pip,
        json=context.json,
        show_channel_urls=context.show_channel_urls,
    )
    return exitcode