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![Sunil Mangathil](https://secure.gravatar.com/avatar/a595dd95b3a164ea1354b7aac6d177bc?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
Sunil Mangathil
Courses Plus Student 344 PointsMy Code Works Perfectly but the Engine does not detect it
from django import template
register = template.Library()
@register.filter('reverse_text') def reverse_text(proper_text): new_text='' for l in test: new_text=l+new_text
return new_text
from django import template
register = template.Library()
@register.filter('reverse_text')
def reverse_text(proper_text):
new_text=''
for l in test:
new_text=l+new_text
return new_text
2 Answers
![Steven Parker](https://uploads.teamtreehouse.com/production/profile-photos/969492/micro_tool_chess_set_2.jpg)
Steven Parker
230,688 PointsIn your external testing, you may have had a global variable named "test" that you were using as the argument to call the function with, or happened to have the same contents as the argument.
But there's nothing named "test" defined in the code here. Perhaps you intended to use "proper_text" as the loop iterable instead?
![Sunil Mangathil](https://secure.gravatar.com/avatar/a595dd95b3a164ea1354b7aac6d177bc?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
Sunil Mangathil
Courses Plus Student 344 PointsYes, silly me