message: Mat::from_slice_2d error code changed to StsUnmatchedSizes
diff: @@ -149,7 +149,7 @@ impl Mat {
  let trg = out.at_row_mut(row_n as _)?;
  let src = row.as_ref();
  if trg.len() != src.len() {
  - return Err(Error::new(core::StsBadArg, format!("Unexpected number of items: {} in a row index: {}, expected: {}", trg.len(), row_n, src.len())));
  + return Err(Error::new(core::StsUnmatchedSizes, format!("Unexpected number of items: {} in a row index: {}, expected: {}", trg.len(), row_n, src.len())));
  }
  trg.copy_from_slice(src);
  }
  