diff --git a/cellxgene_gateway/items/__init__.py b/cellxgene_gateway/items/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/cellxgene_gateway/items/file/__init__.py b/cellxgene_gateway/items/file/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/cellxgene_gateway/items/s3/__init__.py b/cellxgene_gateway/items/s3/__init__.py
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index 0000000..e69de29