python3 setup.py build_ext -i about seal-python HOT 14 CLOSED

running build_ext
building 'seal' extension
x86_64-linux-gnu-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.6 -I../pybind11/include -I../SEAL/native/src -I/usr/include/python3.7m -c wrapper.cpp -o build/temp.linux-x86_64-3.7/wrapper.o -std=c++17
In file included from ../pybind11/include/pybind11/pybind11.h:47,
                 from wrapper.cpp:1:
../pybind11/include/pybind11/detail/init.h: In instantiation of ‘Class* pybind11::detail::initimpl::construct_or_initialize(Args&& ...) [with Class = seal::MemoryManager; Args = {}; typename std::enable_if<(! std::is_constructible<_Tp, _Args>::value), int>::type <anonymous> = 0]’:
../pybind11/include/pybind11/detail/init.h:174:66:   required from ‘static void pybind11::detail::initimpl::constructor<Args>::execute(Class&, const Extra& ...) [with Class = pybind11::class_<seal::MemoryManager>; Extra = {}; typename std::enable_if<(! Class::has_alias), int>::type <anonymous> = 0; Args = {}]’
../pybind11/include/pybind11/pybind11.h:1141:9:   required from ‘pybind11::class_<type_, options>& pybind11::class_<type_, options>::def(const pybind11::detail::initimpl::constructor<Args ...>&, const Extra& ...) [with Args = {}; Extra = {}; type_ = seal::MemoryManager; options = {}]’
wrapper.cpp:400:20:   required from here
../pybind11/include/pybind11/detail/init.h:63:64: error: use of deleted function ‘seal::MemoryManager::MemoryManager()’
   63 | inline Class *construct_or_initialize(Args &&...args) { return new Class{std::forward<Args>(args)...}; }
      |                                                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ../SEAL/native/src/seal/biguint.h:9,
                 from ../SEAL/native/src/seal/seal.h:6,
                 from wrapper.cpp:5:
../SEAL/native/src/seal/memorymanager.h:448:9: note: declared here
  448 |         MemoryManager() = delete;
      |         ^~~~~~~~~~~~~
error: command 'x86_64-linux-gnu-gcc' failed with exit status 1