code: def pip_install(self, path: Path):
      subprocess.check_call(
          [
              sys.executable,
              "-m",
              "pip",
              "install",
              "--upgrade",
              "--target",
              str(self.packages),
              str(path),
          ]
      )
  
file_path: gluonts/src/gluonts/shell/sagemaker/dyn.py
imports: import os
  import shutil
  import subprocess
  import sys
  import tarfile
  import tempfile
  import zipfile
  from functools import partial
  from pathlib import Path
  from typing import Optional
  from gluonts.util import safe_extractall
label_desc: Use image node_id 4 for calling the Installer obj's underlying member method code with example usage: obj.pip_install(path) without return types