django settings rendering - call __repr__ using call_method filter

deploy/tpl/django_settings.py

@@ -19,7 +19,7 @@
             {{- loop(v.items()) -}}
             {{- " "*4*loop.depth0 }}{{- "}" -}}                             {#- close curly brackets with proper ident -#}
         {%- else -%}
-            {{- v.__repr__() -}}                                            {#- if not a dict, just repr() it, works flawlessly -#}
+            {{- v | method_call('__repr__') -}}                                            {#- if not a dict, just repr() it, works flawlessly -#}
         {%- endif -%}
         {%- if 0 != loop.depth0 %},{% else %}{{- "\n" -}}{% endif -%}       {#- comma inside of top level, extra newline between toplevel -#}
         {{- "\n" -}}