How to use the nitpick.config.users function in nitpick

def output_metadata(label, arg_name, option_list, selected):
			self.output('<p>%s: <select name="%s">\n' % (label, arg_name))
			for item in option_list:
				self.output('<option>%s</option>\n' % (item, item))
			self.output('</select></p>\n')

		output_metadata('Severity', 'severity', config.issues['severity'], issue['Severity'])
		output_metadata('Priority', 'priority', config.issues['priority'], issue['Priority'])
		output_metadata('State', 'state', config.issues['state'], issue['State'])
		output_metadata('Resolution', 'resolution', config.issues['resolution'], issue['Resolution'])
		output_metadata('Type', 'type', config.issues['type'], issue['Type'])
		output_metadata('Owner', 'owner', config.users, issue['Owner'])
		output_metadata('Fix_By', 'fix_by', config.issues['fix_by'], issue['Fix_By'])
		output_metadata('Component', 'component', config.issues['components'], issue['Component'])

		def shorten_and_link_issues(issue_list_string):
			issue_list = issue_list_string.split(' ')
			output = ''
			for issue in issue_list:
				output += '%s ' % (self.format_issue(issue))

			return output

		self.output('<p>Depends_On: %s</p>\n' % shorten_and_link_issues(issue['Depends_On']))
		self.output('<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<textarea name="depends_on" cols="80" rows="1">%s</textarea></p>\n' % issue['Depends_On'])

		dependents = db.issue_dependent_of(issue_hash)
		self.output('<p>Dependent_Of: %s</p>\n' % shorten_and_link_issues(dependents))

if line == '\n':
			continue

		work_units = re.search('(.*) \(([0-9.]+,[0-9.]+,[0-9.]+,[0-9.]+,[0-9.]+,[0-9.]+,[0-9.]+)\)', line)

		if work_units == None:
			name = line
			work_units = '0,0,0,0,0,0,0'
		else:
			name = work_units.group(1)
			work_units = work_units.group(2)

		name = string.strip(name)

		if name not in config.users:
			config.users.append(name)
			config.users_times[name] = work_units.split(',')

if config.vcs == None:
		for key in ['vcs']:
			if key in conf.keys() and conf[key] in BACKENDS:
				config.vcs = BACKENDS[conf[key]]
	if config.project_name == 'Nitpick Project':
		if 'project_name' in conf.keys():
			config.project_name = conf['project_name']

	if config.use_schedule == False and 'schedule' in conf.keys():
		if conf['schedule'] == 'True':
			config.use_schedule = True
		else:
			config.use_schedule = False

	config.users = []
	config.users_times = {}
	for line in fileinput.input(repo_path + 'config/users'):
		if line == '\n':
			continue

		work_units = re.search('(.*) \(([0-9.]+,[0-9.]+,[0-9.]+,[0-9.]+,[0-9.]+,[0-9.]+,[0-9.]+)\)', line)

		if work_units == None:
			name = line
			work_units = '0,0,0,0,0,0,0'
		else:
			name = work_units.group(1)
			work_units = work_units.group(2)

		name = string.strip(name)

for key in ['components', 'fix_by', 'priority', 'severity', 'state', 'resolution', 'type']:
		config.issues[key] = []
	
	_load_config(config.db_path)

	# Try to figure out the username to use.
	if 'NITPICK_USERNAME' in os.environ:
		config.username = os.environ['NITPICK_USERNAME']
	else:
		# Try to match the current user against the username list
		if 'USER' not in os.environ:
			print "Warning: Unable to determine username. Please set NITPICK_USERNAME"
		else:
			user = os.environ['USER']
			for row in config.users:
				if user in row:
					if config.username != '':
						print "Warning: Unable to determine username. Please set NITPICK_USERNAME"
						break
					else:
						config.username = row

	return True

self.output('<div class="filter_select_box">\n')
		if db.has_foreign():
			output_filter_options('Project', 'filter_repo', db.repos(),                filter_repo)
		output_filter_options('Components', 'filter_components', config.issues['components'], filter_components)
		output_filter_options('Fix_By',     'filter_fix_by',     config.issues['fix_by'],     filter_fix_by)
		output_filter_options('Severity',   'filter_severity',   config.issues['severity'],   filter_severity)
		output_filter_options('Priority',   'filter_priority',   config.issues['priority'],   filter_priority)
		output_filter_options('State',      'filter_state',      config.issues['state'],      filter_state)
		output_filter_options('Resolution', 'filter_resolution', config.issues['resolution'], filter_resolution)
		output_filter_options('Type',       'filter_type',       config.issues['type'],       filter_type)

		possible_owners = []
		if config.username != '':
			possible_owners = [config.username]
		possible_owners.extend(config.users)
		output_filter_options('Owner', 'filter_owner', possible_owners, filter_owner)
		self.output('</div>\n')

		if config.readonly:
			self.output('<input value="Sort and Filter" type="button">')
		else:
			self.output('<input value="Sort and Filter" type="submit">')

		self.output('<div class="issue_list"><table name="issue_list" cellspacing="0" class="issue_list"> <tbody><tr class="issue_list"></tr></tbody></table> ')

		def output_row_header(bool, label, request_args):
			if bool or config.readonly:
				if config.readonly:
					myargs = {}
				else:
					myargs = copy.copy(request_args)</div>

self.end_doc()
				return

		# Here we know that the issue and parent are good to use
		self.output('<div class="add_comment">\n')
		self.output('<form method="post" action="/add_comment%s" enctype="multipart/form-data" name="comment">\n'
				% self.session_query())
		self.output('<input value="%s" name="issue" type="hidden">\n' % issue)
		self.output('<input value="%s" name="parent" type="hidden">\n' % parent)

		localdate = time.strftime(DATEFORMAT, time.localtime())
		date = time.strftime(DATEFORMAT, time.gmtime())
		self.output('<p>Date: %s<input value="%s" name="date" type="hidden"></p>\n' % (localdate, date))

		self.output('<p>User: <select name="username">\n')
		for username in config.users:
			self.output('<option>%s</option>\n' % (username, username))
		self.output('</select></p>\n')

		self.output('<p>Attachment: <input name="attachment" type="file"> ')
		self.output('<input size="40" value="%s" name="attachment_name" type="text"></p>\n' % USE_UPLOADED_NAME)

		self.output('<p><textarea cols="80" rows="20" name="content">Enter comment here</textarea></p>\n')

		self.output('<input value="Submit" type="submit"><br>\n')
		self.output('</form>\n')
		self.output('</div>\n')

		self.end_doc()

self.output('<p>Resolution: <select name="resolution">\n')
		for resolution in config.issues['resolution']:
			self.output('<option value="%s">%s</option>\n' % (resolution, resolution))
		self.output('</select></p>\n')

		self.output('<p>Reported_By: <select name="reported_by">\n')
		for user in config.users:
			self.output('<option>%s</option>\n' % (user, user))
		self.output('</select></p>\n')
		
		self.output('<p>Owner: <select name="owner">\n')
		for user in config.users:
			self.output('<option>%s</option>\n' % (user, user))
		self.output('</select></p>\n')

		self.output('<p>Seen_In_Build: <input value="" name="seen_in_build" type="text"></p>\n')

		self.output('<p>Fix_By: <select name="fix_by">\n')
		for fix_by in config.issues['fix_by']:
			self.output('<option value="%s">%s</option>\n' % (fix_by, fix_by))
		self.output('</select></p>\n')

		self.output('<p>Depends_On: <input value="" name="depends_on" type="text"></p>\n')
		self.output('<p>Duplicate_Of: <input value="" name="duplicate_of" type="text"></p>\n')

for resolution in config.issues['resolution']:
			self.output('<option value="%s">%s</option>\n' % (resolution, resolution))
		self.output('<p></p>\n')

		self.output('<p>Reported_By: <select name="reported_by">\n')
		for user in config.users:
			self.output('<option>%s</option>\n' % (user, user))
		self.output('</select></p>\n')
		
		self.output('<p>Owner: <select name="owner">\n')
		for user in config.users:
			self.output('<option>%s</option>\n' % (user, user))
		self.output('</select></p>\n')

		self.output('<p>Seen_In_Build: <input value="" name="seen_in_build" type="text"></p>\n')

		self.output('<p>Fix_By: <select name="fix_by">\n')
		for fix_by in config.issues['fix_by']:
			self.output('<option value="%s">%s</option>\n' % (fix_by, fix_by))
		self.output('</select></p>\n')

		self.output('<p>Depends_On: <input value="" name="depends_on" type="text"></p>\n')
		self.output('<p>Duplicate_Of: <input value="" name="duplicate_of" type="text"></p>\n')

		hide = ''
		if not config.use_schedule: