class_docstr: Chroma query result wrapper
class_docstr_tok: ["Chroma","query","result","wrapper"]
code: def fetch_formatted(
      self, format_type: Format, distance_threshold=float("inf")
  ):
      return "\n\n".join(
          item.format(format_type, i + 1)
          for i, item in enumerate(
              self.fetch(distance_threshold=distance_threshold)
          )
      )
  
imports: from enum import auto, Enum
  import os
  import string
  from absl import logging
  import chromadb
  from chromadb.config import Settings
  from chromadb.utils import embedding_functions
  from chromadb.api.models import Collection
  from chromadb.api.types import QueryResult
  from palm import PaLM
label_desc: Use image node_id 4 for calling the ChromaQueryResult obj's underlying member method code with example usage: obj.fetch_formatted(format_type, distance_threshold) and returns: str