code: def manage_venv_installs(whl_path):
      other_backends = list(
          set(BACKEND_REQ.keys()) - {backend.backend()}
      )
      install_setup = [
          # Installs the backend's package and common requirements
          "pip install " + BACKEND_REQ[backend.backend()],
          "pip install -r requirements-common.txt",
          "pip install pytest",
          # Ensure other backends are uninstalled
          "pip uninstall -y "
          + BACKEND_REQ[other_backends[0]]
          + " "
          + BACKEND_REQ[other_backends[1]],
          # Install `.whl` package
          "pip install " + whl_path,
      ]
      run_commands_venv(install_setup)
  
file_path: keras/integration_tests/import_test.py
imports: import os
  import re
  import subprocess
  from keras import backend
label_desc: Use image node_id 3 for calling a global function with example usage: manage_venv_installs(whl_path) without return types