diff --git a/Project.toml b/Project.toml
index fcc3b6d..d52a0a4 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "MLJModels"
 uuid = "d491faf4-2d78-11e9-2867-c94bc002c0b7"
 authors = ["Anthony D. Blaom <anthony.blaom@gmail.com>"]
-version = "0.17.5"
+version = "0.17.6"
 
 [deps]
 CategoricalArrays = "324d7699-5711-5eae-9e2f-1d82baa6b597"
diff --git a/src/registry/Metadata.toml b/src/registry/Metadata.toml
index ce07500..bc83760 100644
--- a/src/registry/Metadata.toml
+++ b/src/registry/Metadata.toml
@@ -6048,13 +6048,13 @@
 ":constructor" = "`nothing`"
 
 [Clustering.AffinityPropagation]
-":input_scitype" = "`ScientificTypesBase.Table{<:AbstractVector{<:ScientificTypesBase.Continuous}}`"
+":input_scitype" = "`Tuple{ScientificTypesBase.Table{<:AbstractVector{<:ScientificTypesBase.Continuous}}}`"
 ":output_scitype" = "`ScientificTypesBase.Unknown`"
 ":target_scitype" = "`ScientificTypesBase.Unknown`"
 ":fit_data_scitype" = "`Tuple{}`"
 ":predict_scitype" = "`ScientificTypesBase.Unknown`"
 ":transform_scitype" = "`ScientificTypesBase.Unknown`"
-":inverse_transform_scitype" = "`ScientificTypesBase.Table{<:AbstractVector{<:ScientificTypesBase.Continuous}}`"
+":inverse_transform_scitype" = "`Tuple{ScientificTypesBase.Table{<:AbstractVector{<:ScientificTypesBase.Continuous}}}`"
 ":target_in_fit" = "`false`"
 ":is_pure_julia" = "`true`"
 ":package_name" = "Clustering"
@@ -6192,13 +6192,13 @@
 ":constructor" = "`nothing`"
 
 [MLJText.TfidfTransformer]
-":input_scitype" = "`Union{AbstractVector{<:AbstractVector{ScientificTypesBase.Textual}}, AbstractVector{<:ScientificTypesBase.Multiset{<:NTuple{var\"_s601\", ScientificTypesBase.Textual} where var\"_s601\"}}, AbstractVector{<:ScientificTypesBase.Multiset{ScientificTypesBase.Textual}}}`"
+":input_scitype" = "`Union{AbstractVector{<:AbstractVector{ScientificTypesBase.Textual}}, AbstractVector{<:ScientificTypesBase.Multiset{<:NTuple{var\"_s1\", ScientificTypesBase.Textual} where var\"_s1\"}}, AbstractVector{<:ScientificTypesBase.Multiset{ScientificTypesBase.Textual}}}`"
 ":output_scitype" = "`AbstractMatrix{ScientificTypesBase.Continuous}`"
 ":target_scitype" = "`ScientificTypesBase.Unknown`"
-":fit_data_scitype" = "`Tuple{Union{AbstractVector{<:AbstractVector{ScientificTypesBase.Textual}}, AbstractVector{<:ScientificTypesBase.Multiset{<:NTuple{var\"_s601\", ScientificTypesBase.Textual} where var\"_s601\"}}, AbstractVector{<:ScientificTypesBase.Multiset{ScientificTypesBase.Textual}}}}`"
+":fit_data_scitype" = "`Tuple{Union{AbstractVector{<:AbstractVector{ScientificTypesBase.Textual}}, AbstractVector{<:ScientificTypesBase.Multiset{<:NTuple{var\"_s1\", ScientificTypesBase.Textual} where var\"_s1\"}}, AbstractVector{<:ScientificTypesBase.Multiset{ScientificTypesBase.Textual}}}}`"
 ":predict_scitype" = "`ScientificTypesBase.Unknown`"
 ":transform_scitype" = "`AbstractMatrix{ScientificTypesBase.Continuous}`"
-":inverse_transform_scitype" = "`Union{AbstractVector{<:AbstractVector{ScientificTypesBase.Textual}}, AbstractVector{<:ScientificTypesBase.Multiset{<:NTuple{var\"_s601\", ScientificTypesBase.Textual} where var\"_s601\"}}, AbstractVector{<:ScientificTypesBase.Multiset{ScientificTypesBase.Textual}}}`"
+":inverse_transform_scitype" = "`Union{AbstractVector{<:AbstractVector{ScientificTypesBase.Textual}}, AbstractVector{<:ScientificTypesBase.Multiset{<:NTuple{var\"_s1\", ScientificTypesBase.Textual} where var\"_s1\"}}, AbstractVector{<:ScientificTypesBase.Multiset{ScientificTypesBase.Textual}}}`"
 ":target_in_fit" = "`false`"
 ":is_pure_julia" = "`true`"
 ":package_name" = "MLJText"
@@ -6228,13 +6228,13 @@
 ":constructor" = "`nothing`"
 
 [MLJText.CountTransformer]
-":input_scitype" = "`Union{AbstractVector{<:AbstractVector{ScientificTypesBase.Textual}}, AbstractVector{<:ScientificTypesBase.Multiset{<:NTuple{var\"_s601\", ScientificTypesBase.Textual} where var\"_s601\"}}, AbstractVector{<:ScientificTypesBase.Multiset{ScientificTypesBase.Textual}}}`"
+":input_scitype" = "`Union{AbstractVector{<:AbstractVector{ScientificTypesBase.Textual}}, AbstractVector{<:ScientificTypesBase.Multiset{<:NTuple{var\"_s1\", ScientificTypesBase.Textual} where var\"_s1\"}}, AbstractVector{<:ScientificTypesBase.Multiset{ScientificTypesBase.Textual}}}`"
 ":output_scitype" = "`AbstractMatrix{ScientificTypesBase.Continuous}`"
 ":target_scitype" = "`ScientificTypesBase.Unknown`"
-":fit_data_scitype" = "`Tuple{Union{AbstractVector{<:AbstractVector{ScientificTypesBase.Textual}}, AbstractVector{<:ScientificTypesBase.Multiset{<:NTuple{var\"_s601\", ScientificTypesBase.Textual} where var\"_s601\"}}, AbstractVector{<:ScientificTypesBase.Multiset{ScientificTypesBase.Textual}}}}`"
+":fit_data_scitype" = "`Tuple{Union{AbstractVector{<:AbstractVector{ScientificTypesBase.Textual}}, AbstractVector{<:ScientificTypesBase.Multiset{<:NTuple{var\"_s1\", ScientificTypesBase.Textual} where var\"_s1\"}}, AbstractVector{<:ScientificTypesBase.Multiset{ScientificTypesBase.Textual}}}}`"
 ":predict_scitype" = "`ScientificTypesBase.Unknown`"
 ":transform_scitype" = "`AbstractMatrix{ScientificTypesBase.Continuous}`"
-":inverse_transform_scitype" = "`Union{AbstractVector{<:AbstractVector{ScientificTypesBase.Textual}}, AbstractVector{<:ScientificTypesBase.Multiset{<:NTuple{var\"_s601\", ScientificTypesBase.Textual} where var\"_s601\"}}, AbstractVector{<:ScientificTypesBase.Multiset{ScientificTypesBase.Textual}}}`"
+":inverse_transform_scitype" = "`Union{AbstractVector{<:AbstractVector{ScientificTypesBase.Textual}}, AbstractVector{<:ScientificTypesBase.Multiset{<:NTuple{var\"_s1\", ScientificTypesBase.Textual} where var\"_s1\"}}, AbstractVector{<:ScientificTypesBase.Multiset{ScientificTypesBase.Textual}}}`"
 ":target_in_fit" = "`false`"
 ":is_pure_julia" = "`true`"
 ":package_name" = "MLJText"
@@ -6264,13 +6264,13 @@
 ":constructor" = "`nothing`"
 
 [MLJText.BM25Transformer]
-":input_scitype" = "`Union{AbstractVector{<:AbstractVector{ScientificTypesBase.Textual}}, AbstractVector{<:ScientificTypesBase.Multiset{<:NTuple{var\"_s601\", ScientificTypesBase.Textual} where var\"_s601\"}}, AbstractVector{<:ScientificTypesBase.Multiset{ScientificTypesBase.Textual}}}`"
+":input_scitype" = "`Union{AbstractVector{<:AbstractVector{ScientificTypesBase.Textual}}, AbstractVector{<:ScientificTypesBase.Multiset{<:NTuple{var\"_s1\", ScientificTypesBase.Textual} where var\"_s1\"}}, AbstractVector{<:ScientificTypesBase.Multiset{ScientificTypesBase.Textual}}}`"
 ":output_scitype" = "`AbstractMatrix{ScientificTypesBase.Continuous}`"
 ":target_scitype" = "`ScientificTypesBase.Unknown`"
-":fit_data_scitype" = "`Tuple{Union{AbstractVector{<:AbstractVector{ScientificTypesBase.Textual}}, AbstractVector{<:ScientificTypesBase.Multiset{<:NTuple{var\"_s601\", ScientificTypesBase.Textual} where var\"_s601\"}}, AbstractVector{<:ScientificTypesBase.Multiset{ScientificTypesBase.Textual}}}}`"
+":fit_data_scitype" = "`Tuple{Union{AbstractVector{<:AbstractVector{ScientificTypesBase.Textual}}, AbstractVector{<:ScientificTypesBase.Multiset{<:NTuple{var\"_s1\", ScientificTypesBase.Textual} where var\"_s1\"}}, AbstractVector{<:ScientificTypesBase.Multiset{ScientificTypesBase.Textual}}}}`"
 ":predict_scitype" = "`ScientificTypesBase.Unknown`"
 ":transform_scitype" = "`AbstractMatrix{ScientificTypesBase.Continuous}`"
-":inverse_transform_scitype" = "`Union{AbstractVector{<:AbstractVector{ScientificTypesBase.Textual}}, AbstractVector{<:ScientificTypesBase.Multiset{<:NTuple{var\"_s601\", ScientificTypesBase.Textual} where var\"_s601\"}}, AbstractVector{<:ScientificTypesBase.Multiset{ScientificTypesBase.Textual}}}`"
+":inverse_transform_scitype" = "`Union{AbstractVector{<:AbstractVector{ScientificTypesBase.Textual}}, AbstractVector{<:ScientificTypesBase.Multiset{<:NTuple{var\"_s1\", ScientificTypesBase.Textual} where var\"_s1\"}}, AbstractVector{<:ScientificTypesBase.Multiset{ScientificTypesBase.Textual}}}`"
 ":target_in_fit" = "`false`"
 ":is_pure_julia" = "`true`"
 ":package_name" = "MLJText"