code: def __init__(self, blob_function):
      self.blob_function = blob_function
  
file_path: emcee/src/emcee/tests/unit/test_blobs.py
imports: import warnings
  import numpy
  import pytest
  from emcee import EnsembleSampler, backends
label_desc: Use image node_id 1 to create a new BlobLogProb object from inherited base classes: object with example: obj = BlobLogProb(blob_function)