diff --git a/src/otg/datasource/gnomad/variants.py b/src/otg/datasource/gnomad/variants.py
index 25dbeb59b..55bdf673b 100644
--- a/src/otg/datasource/gnomad/variants.py
+++ b/src/otg/datasource/gnomad/variants.py
@@ -158,7 +158,7 @@ def as_variant_annotation(self: GnomADVariants) -> VariantAnnotation:
                         phylop=ht.in_silico_predictors.phylop,
                         siftMax=ht.in_silico_predictors.sift_max,
                         polyphenMax=ht.in_silico_predictors.polyphen_max,
-                    )
+                    ),
                 )
                 .key_by("chromosome", "position")
                 .drop("locus", "alleles")