code: def get_hyperparameters(model_string):
      hyperopt_params = re.findall(r"(\{\{[^}]+}\})", model_string)
      for i, param in enumerate(hyperopt_params):
          hyperopt_params[i] = re.sub(r"[\{\}]", "", param)
      return hyperopt_params
  
imports: import inspect
  import os
  import re
  import sys
  import nbformat
  import numpy
  from hyperopt import fmin
  from nbconvert import PythonExporter
  from .ensemble import VotingModel
  from .utils import remove_imports, remove_all_comments, extract_imports, temp_string, write_temp_files, determine_indent, with_line_numbers, unpack_hyperopt_vals, eval_hyperopt_space, find_signature_end
label_desc: Use image node_id 10 for calling a global function with example usage: get_hyperparameters(model_string) and returns: hyperopt_params