rom 'Type1 graph_tool::convert<Type1, Type2>::operator()(const Type2&) const [with Type1 = long int; Type2 = boost::python::api::object]' at src/graph/graph_properties.hh:260:25,
    inlined from 'void graph_tool::DynamicPropertyMapWrap<Value, Key, Converter>::ValueConverterImp<PropertyMap>::put(const Key&, const Value&) [with PropertyMap = boost::checked_vector_property_map<long int, boost::typed_identity_property_map<long unsigned int> >; Value = boost::python::api::object; Key = long unsigned int; Converter = graph_tool::convert]' at src/graph/graph_properties.hh:390:25:
/usr/include/boost/python/extract.hpp:185:11: warning: '*(long int*)((char*)&x + offsetof(boost::python::extract<long int>,boost::python::extract<long int>::<unnamed>.boost::python::converter::extract_rvalue<long int>::m_data.boost::python::converter::rvalue_from_python_data<long int>::<unnamed>.boost::python::converter::rvalue_from_python_storage<long int>::storage))' may be used uninitialized [-Wmaybe-uninitialized]
  185 |           );
      |           ^
src/graph/graph_properties.hh: In member function 'void graph_tool::DynamicPropertyMapWrap<Value, Key, Converter>::ValueConverterImp<PropertyMap>::put(const Key&, const Value&) [with PropertyMap = boost::checked_vector_property_map<long int, boost::typed_identity_property_map<long unsigned int> >; Value = boost::python::api::object; Key = long unsigned int; Converter = graph_tool::convert]':
src/graph/graph_properties.hh:258:43: note: 'x' declared here
  258 |             boost::python::extract<Type1> x(v);
      |                                           ^
In member function 'boost::python::converter::extract_rvalue<T>::result_type boost::python::converter::extract_rvalue<T>::operator()() const [with T = long int]',
    inlined from 'Type1 graph_tool::convert<Type1, Type2>::operator()(const Type2&) const [with Type1 = long int; Type2 = boost::python::api::object]' at src/graph/graph_properties.hh:260:25,
    inlined from 'Value graph_tool::DynamicPropertyMapWrap<Value, Key, Converter>::ValueConverterImp<PropertyMap>::get_dispatch(PMap&&, const typename boost::property_traits<typename std::remove_reference<PMap>::type>::key_type&, std::true_type) [with PMap = boost::checked_vector_property_map<boost::python::api::object, boost::typed_identity_property_map<long unsigned int> >&; PropertyMap = boost::checked_vector_property_map<boost::python::api::object, boost::typed_identity_property_map<long unsigned int> >; Value = long int; Key = long unsigned int; Converter = graph_tool::convert]' at src/graph/graph_properties.hh:399:26,
    inlined from 'Value graph_tool::DynamicPropertyMapWrap<Value, Key, Converter>::ValueConverterImp<PropertyMap>::get(const Key&) [with PropertyMap = boost::checked_vector_property_map<boost::python::api::object, boost::typed_identity_property_map<long unsigned int> >; Value = long int; Key = long unsigned int; Converter = graph_tool::convert]' at src/graph/graph_properties.hh:383:32:
/usr/include/boost/python/extract.hpp:185:11: warning: '*(long int*)((char*)&x + offsetof(boost::python::extract<long int>,boost::python::extract<long int>::<unnamed>.boost::python::converter::extract_rvalue<long int>::m_data.boost::python::converter::rvalue_from_python_data<long int>::<unnamed>.boost::python::converter::rvalue_from_python_storage<long int>::storage))' may be used uninitialized [-Wmaybe-uninitialized]
  185 |           );
      |           ^
src/graph/graph_properties.hh: In member function 'Value graph_tool::DynamicPropertyMapWrap<Value, Key, Converter>::ValueConverterImp<PropertyMap>::get(const Key&) [with PropertyMap = boost::checked_vector_property_map<boost::python::api::object, boost::typed_identity_property_map<long unsigned int> >; Value = long int; Key = long unsigned int; Converter = graph_tool::convert]':
src/graph/graph_properties.hh:258:43: note: 'x' declared here
  258 |             boost::python::extract<Type1> x(v);
      |                                           ^