code: def build_csi_index(path, min_shift):
      """Builds a csi index for VCF at the specified path."""
      tabix_indexer.csi_index_build(path, min_shift)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from third_party.nucleus.io.python import tabix_indexer
label_desc: Use image node_id 2 for calling a global function with example usage: build_csi_index(path, min_shift) without return types