diff --git a/src/tosca/xtarget/tosca_keys.xtarget b/src/tosca/xtarget/tosca_keys.xtarget
index 9569061..6b73cb3 100644
--- a/src/tosca/xtarget/tosca_keys.xtarget
+++ b/src/tosca/xtarget/tosca_keys.xtarget
@@ -2,4 +2,5 @@
 {%- for m in proto.messages %}
     '{{ m.name }}': {{ xproto_fields_to_tosca_keys(m.fields + xproto_base_fields(m, proto.message_table), m) }},
 {%- endfor %}
-}
\ No newline at end of file
+}
+