diff --git a/applications/admin/controllers/appadmin.py b/applications/admin/controllers/appadmin.py
index 5bca14de..e72b3dab 100644
--- a/applications/admin/controllers/appadmin.py
+++ b/applications/admin/controllers/appadmin.py
@@ -703,7 +703,7 @@ def hooks():
             ul_t.append(LI (op['name']))
             ul_t.append(UL([LI(A(f['funcname'], _class="editor_filelink", _href=f['url']if 'url' in f else None, **{'_data-lineno':f['lineno']-1})) for f in op['functions']]))
         ul_main.append(ul_t)
-    return 
+    return ul_main
 
 
 # ##########################################################
diff --git a/applications/examples/controllers/appadmin.py b/applications/examples/controllers/appadmin.py
index 5bca14de..e72b3dab 100644
--- a/applications/examples/controllers/appadmin.py
+++ b/applications/examples/controllers/appadmin.py
@@ -703,7 +703,7 @@ def hooks():
             ul_t.append(LI (op['name']))
             ul_t.append(UL([LI(A(f['funcname'], _class="editor_filelink", _href=f['url']if 'url' in f else None, **{'_data-lineno':f['lineno']-1})) for f in op['functions']]))
         ul_main.append(ul_t)
-    return 
+    return ul_main
 
 
 # ##########################################################
diff --git a/applications/welcome/controllers/appadmin.py b/applications/welcome/controllers/appadmin.py
index 5bca14de..e72b3dab 100644
--- a/applications/welcome/controllers/appadmin.py
+++ b/applications/welcome/controllers/appadmin.py
@@ -703,7 +703,7 @@ def hooks():
             ul_t.append(LI (op['name']))
             ul_t.append(UL([LI(A(f['funcname'], _class="editor_filelink", _href=f['url']if 'url' in f else None, **{'_data-lineno':f['lineno']-1})) for f in op['functions']]))
         ul_main.append(ul_t)
-    return 
+    return ul_main
 
 
 # ##########################################################