message: Make IntegrityError public
diff: @@ -6,7 +6,7 @@ mod remove;
  pub use export::{export_schema, export_schema_with_title};
  pub use idl::{Api, IDL_VERSION};
  -pub use query_response::QueryResponses;
  +pub use query_response::{IntegrityError, QueryResponses};
  pub use remove::remove_schemas;
  // Re-exports
  