"/"
            ), "A path prefix must not end with '/', as the routes will start with '/'"
        else:
            for r in router.routes:
                path = getattr(r, "path")  # noqa: B009
                name = getattr(r, "name", "unknown")
                if path is not None and not path:
                    raise FastAPIError(

  if (padding == tensorflow::Padding::EXPLICIT) {
    ArrayRef<Attribute> explicit_padding;
    ArrayAttr explicit_pad = mlir::dyn_cast_or_null<::mlir::ArrayAttr>(
        op->getAttr("explicit_paddings"));
    if (!explicit_pad) {
      explicit_pad = ::mlir::Builder(op->getContext()).getI64ArrayAttr({});
    }
    explicit_padding = explicit_pad.getValue();

    // folding), but we can still derive the shape of a constant tensor for
    // its attribute type.
    auto tensor_attr = mlir::cast<mlir::TypedAttr>(inst->getAttr("value"));
    llvm::ArrayRef<int64_t> shape_ref =
        mlir::cast<TensorType>(tensor_attr.getType()).getShape();
    if (mlir::failed(check_shape(shape_ref))) return std::nullopt;

template <typename CallOpClass>
static LogicalResult VerifyPartitionedCall(CallOpClass op,
                                           SymbolTableCollection &symbolTable) {
  SymbolRefAttr func = op->getAttr("f").template cast<SymbolRefAttr>();
  auto function = symbolTable.lookupNearestSymbolFrom<func::FuncOp>(op, func);
  if (!function) {
    return op.emitError("'f' attribute refers to an undefined function: ")