message: fix: NumPy array allocation error message in vector conversion
diff: @@ -1778,7 +1778,7 @@ private:
  const NPY_TYPES target_type = asNumpyType<UnderlyingArrayType>();
  const int cols = DType::channels;
  - PyObject* array;
  + PyObject* array = NULL;
  if (cols == 1)
  {
  npy_intp dims = static_cast<npy_intp>(value.size());
  @@ -1796,14 +1796,16 @@ private:
  String shape;
  if (cols > 1)
  {
  - shape = cv::format("(%d x %d)", static_cast<int>(value.size()), cols);
  + shape = format("(%d x %d)", static_cast<int>(value.size()), cols);
  }
  else
  {
  - shape = cv::format("(%d)", static_cast<int>(value.size()));
  + shape = format("(%d)", static_cast<int>(value.size()));
  }
  - CV_Error_(Error::StsError, ("Can't allocate NumPy array for vector with dtype=%d shape=%s",
  - static_cast<int>(target_type), static_cast<int>(value.size()), shape.c_str()));
  + const String error_message = format("Can't allocate NumPy array for vector with dtype=%d and shape=%s",
  + static_cast<int>(target_type), shape.c_str());
  + emit_failmsg(PyExc_MemoryError, error_message.c_str());
  + return array;
  }
  // Fill the array
  PyArrayObject* array_obj = reinterpret_cast<PyArrayObject*>(array);
  