class_docstr: get dataset from
  https://github.com/stanis-morozov/ip-nsw#dataset
class_docstr_tok: ["get","dataset","from","https",":","\/\/github.com\/stanis-morozov\/ip-nsw","#","dataset"]
code: def get_queries(self):
      xq = np.fromfile(
          self.basedir + "query_music100.bin", dtype="float32"
      )
      xq = xq.reshape(-1, 100)
      return xq
  
imports: import os
  import numpy
  import faiss
  from .vecs_io import fvecs_read, ivecs_read, bvecs_mmap, fvecs_mmap
  from .exhaustive_search import knn
label_desc: Use image node_id 2 for calling the DatasetMusic100 obj's underlying member method code with example usage: obj.get_queries() and returns: xq