register = Library()
def show_user_info():
    return "is_good" 
register.tag('show_user_info', show_user_info)

{% show_user_info %}

Request Method:  	GET
Request URL: 	http://localhost/rin/bugcatcher/
Exception Type: 	TemplateSyntaxError
Exception Value: 	

Invalid block tag: 'show_user_info'

Exception Location: 	C:\server\python\lib\site-packages\django\template\__init__.py in invalid_block_tag, line 335
Python Executable: 	C:\server\apache\bin\httpd.exe
Python Version: 	2.5.4

Caught an exception while rendering: show_user_info() takes no arguments (2 given)

'mysite.templatetags',

'userinfo' is not a valid tag library: Could not load template library from django.templatetags.userinfo, No module named userinfo

Caught an exception while rendering: show_user_info() takes no arguments (2 given)

from django.template import Library

register = Library()

@register.tag(name="show_user_info")
def show_user_info():
    return "is_good"