code: def __eq__(self, other):
      return (
          isinstance(other, BlockMatrixPersistReader)
          and self.id == other.id
      )
  
imports: import abc
  import json
  from ..typecheck import typecheck_method, sequenceof
  from ..utils.misc import escape_str
label_desc: Use image node_id 3 for calling the BlockMatrixPersistReader obj's underlying member method code with example usage: obj.__eq__(other) and returns: unknown