code: def __exit__(self, exc_type, exc_value, backtrace):
      LinearBlockSparsePattern.row_block_size = (
          LinearBlockSparsePattern.prev_row_block_size
      )
      LinearBlockSparsePattern.col_block_size = (
          LinearBlockSparsePattern.prev_col_block_size
      )
      LinearBlockSparsePattern.rlock.release()
  
imports: import threading
label_desc: Use image node_id 3 for calling the LinearBlockSparsePattern obj's underlying member method code with example usage: obj.__exit__(exc_type, exc_value, backtrace) without return types