code: def get_tests(_tests_file, _line):
      tests_file_line = set()
      if 0 <= _line < len(_tests_file):
          tests_file_line = _tests_file[_line]
      return (
          set()
          if len(tests_file_line) >= MAX_TESTS
          else tests_file_line
      )
  
file_path: ivy/scripts/determine_tests/determine_tests.py
imports: import pickle
  import subprocess
  from pydriller import Repository
  import os
  import bz2
  import _pickle
  import sys
  from get_all_tests import get_all_tests
label_desc: Use image node_id 1 for calling a global function with example usage: get_tests(_tests_file, _line) and returns: unknown