diff --git a/pagure/lib/__init__.py b/pagure/lib/__init__.py
index 08ce492..aab1bd7 100644
--- a/pagure/lib/__init__.py
+++ b/pagure/lib/__init__.py
@@ -2245,6 +2245,7 @@ def add_token_to_user(session, project, acls, username):
 
     return 'Token created'
 
+
 def text2markdown(text):
     """ Simple text to html converter using the markdown library.
     """
@@ -2263,6 +2264,18 @@ def text2markdown(text):
 
     return ''
 
+
+def filter_img_src(name, value):
+    ''' Filter in img html tags images coming from a different domain. '''
+    if name in ('alt', 'height', 'width', 'class'):
+        return True
+    if name == 'src':
+        p = urlparse.urlparse(value)
+        return (not p.netloc) \
+            or p.netloc == urlparse.urlparse(APP.config['APP_URL']).netloc
+    return False
+
+
 def clean_input(text):
     """ For a given html text, escape everything we do not want to support
     to avoid potential security breach.
diff --git a/pagure/ui/filters.py b/pagure/ui/filters.py
index 81f0d73..9b096d5 100644
--- a/pagure/ui/filters.py
+++ b/pagure/ui/filters.py
@@ -287,17 +287,6 @@ def insert_div(content):
     return output
 
 
-def filter_img_src(name, value):
-    ''' Filter in img html tags images coming from a different domain. '''
-    if name in ('alt', 'height', 'width', 'class'):
-        return True
-    if name == 'src':
-        p = urlparse.urlparse(value)
-        return (not p.netloc) \
-            or p.netloc == urlparse.urlparse(APP.config['APP_URL']).netloc
-    return False
-
-
 @APP.template_filter('noJS')
 def no_js(content):
     """ Template filter replacing <script by &lt;script and </script> by