Method PyStreamContext

python/src/stream.cpp:20–26

class PyStreamContext {
 public:
  PyStreamContext(mx::StreamOrDevice s) : _inner(nullptr) {
    if (std::holds_alternative<std::monostate>(s)) {
      throw std::runtime_error(
          "[StreamContext] Invalid argument, please specify a stream or device.");
    }
    _s = s;
  }

  void enter() {
    _inner = new mx::StreamContext(_s);