code: def add_one(self, key: int, vector: np.ndarray):
      assert isinstance(key, int)
      assert isinstance(vector, np.ndarray)
      vector = vector.flatten()
      ascii = _vector_to_ascii(vector)
      if ascii:
          self.client.add_ascii(key=key, string=ascii)
      else:
          self.client.add_one(key=key, vectors=vector)
  
file_path: usearch/python/usearch/client.py
imports: from typing import Union, Optional, List
  import numpy
  from ucall.client import Client
  from usearch.index import Matches
label_desc: Use image node_id 2 for calling the IndexClient obj's underlying member method code with example usage: obj.add_one(key, vector) without return types