code: def setup_method(self, test_method):
      conn.execute("DELETE FROM items")
  
file_path: pgvector-python/tests/test_psycopg.py
imports: import numpy
  from pgvector.psycopg import register_vector, register_vector_async
  import psycopg
  import pytest
label_desc: Use image node_id 1 for calling the TestPsycopg obj's underlying member method code with example usage: obj.setup_method(test_method) without return types