style fixes

InvenTree/part/templatetags/inventree_extras.py

@@ -89,6 +89,7 @@ def inventree_in_debug_mode(*args, **kwargs):
 
     return djangosettings.DEBUG
 
+
 @register.simple_tag()
 def inventree_demo_mode(*args, **kwargs):
     """ Return True if the server is running in DEMO mode """