# Buggy code
def _check_if_installed(
    prefix,
    state_pkg_name,
    version_spec,
    ignore_installed,
    force_reinstall,
    upgrade,
    user,
    cwd,
    bin_env,
):
    # result: None means the command failed to run
    # result: True means the package is installed
    # result: False means the package is not installed
    ret = {"result": False, "comment": None}

    # Check if the requested packated is already installed.
    try:
        pip_list = __salt__["pip.list"](prefix, bin_env=bin_env, user=user, cwd=cwd)
        prefix_realname = _find_key(prefix, pip_list)
    except (CommandNotFoundError, CommandExecutionError) as err:
        ret["result"] = None
        ret["comment"] = "Error installing {0!r}: {1}".format(state_pkg_name, err)
        return ret

    # If the package was already installed, check
    # the ignore_installed and force_reinstall flags
    if ignore_installed is False and prefix_realname is not None:
        if force_reinstall is False and not upgrade:
            # Check desired version (if any) against currently-installed
            if (
                any(version_spec)
                and _fulfills_version_spec(pip_list[prefix_realname], version_spec)
            ) or (not any(version_spec)):
                ret["result"] = True
                ret["comment"] = "Python package {0} was already installed".format(
                    state_pkg_name
                )
                return ret

    return ret


# Traceback (ConfigParser.MissingSectionHeaderError)
----------
ID: install_tbzroottools
Function: pip.installed
Name: package
Result: None
Comment: Error installing 'package': Traceback (most recent call last):
File "/usr/bin/pip2", line 9, in <module>
load_entry_point('pip==7.1.2', 'console_scripts', 'pip2')()
File "/usr/lib/python2.7/site-packages/pip/__init__.py", line 210, in main
cmd_name, cmd_args = parseopts(args)
File "/usr/lib/python2.7/site-packages/pip/__init__.py", line 146, in parseopts
parser = create_main_parser()
File "/usr/lib/python2.7/site-packages/pip/__init__.py", line 124, in create_main_parser
parser = ConfigOptionParser(**parser_kw)
File "/usr/lib/python2.7/site-packages/pip/baseparser.py", line 147, in __init__
self.config.read(self.files)
File "/usr/lib64/python2.7/ConfigParser.py", line 305, in read
self._read(fp, filename)
File "/usr/lib64/python2.7/ConfigParser.py", line 512, in _read
raise MissingSectionHeaderError(fpname, lineno, line)
ConfigParser.MissingSectionHeaderError: File contains no section headers.
file: /root/.config/pip/pip.conf, line: 1
'bal]\n'
Started: 00:38:47.277938
Duration: 386.45 ms
Changes:
----------

# Fixed code
def _check_if_installed(
    prefix,
    state_pkg_name,
    version_spec,
    ignore_installed,
    force_reinstall,
    upgrade,
    user,
    cwd,
    bin_env,
):
    # result: None means the command failed to run
    # result: True means the package is installed
    # result: False means the package is not installed
    ret = {"result": False, "comment": None}

    # Check if the requested packated is already installed.
    try:
        pip_list = __salt__["pip.list"](prefix, bin_env=bin_env, user=user, cwd=cwd)
        prefix_realname = _find_key(prefix, pip_list)
    except (CommandNotFoundError, CommandExecutionError) as err:
        ret["result"] = False
        ret["comment"] = "Error installing {0!r}: {1}".format(state_pkg_name, err)
        return ret

    # If the package was already installed, check
    # the ignore_installed and force_reinstall flags
    if ignore_installed is False and prefix_realname is not None:
        if force_reinstall is False and not upgrade:
            # Check desired version (if any) against currently-installed
            if (
                any(version_spec)
                and _fulfills_version_spec(pip_list[prefix_realname], version_spec)
            ) or (not any(version_spec)):
                ret["result"] = True
                ret["comment"] = "Python package {0} was already installed".format(
                    state_pkg_name
                )
                return ret

    return ret