code: def repo():
      """Create a dummy repo for the tests."""
      os.chdir("../")
      os.makedirs("dummy_orion")
      os.chdir("dummy_orion")
      repo = git.Repo.init(".")
      with open("README.md", "w+") as f:
          f.write("dummy content")
      repo.git.add("README.md")
      repo.index.commit("initial commit")
      repo.create_head("master")
      repo.git.checkout("master")
      yield repo
      os.chdir("../")
      shutil.rmtree("dummy_orion")
      os.chdir("orion")
  
imports: import hashlib
  import logging
  import os
  import shutil
  import git
  import pytest
  import orion.core
  import orion.core.io.resolve_config
label_desc: Use image node_id 36 for calling a global function with example usage: repo() without return types