code: def test_log_model_with_pip_requirements(tmp_path):
      expected_mlflow_version = _mlflow_major_version_string()
      ols = ols_model()
      # Path to a requirements file
      req_file = tmp_path.joinpath("requirements.txt")
      req_file.write_text("a")
      with mlflow.start_run():
          mlflow.statsmodels.log_model(
              ols.model, "model", pip_requirements=str(req_file)
          )
          _assert_pip_requirements(
              mlflow.get_artifact_uri("model"),
              [expected_mlflow_version, "a"],
              strict=True,
          )
  
      # List of requirements
      with mlflow.start_run():
          mlflow.statsmodels.log_model(
              ols.model,
              "model",
              pip_requirements=[f"-r {req_file}", "b"],
          )
          _assert_pip_requirements(
              mlflow.get_artifact_uri("model"),
              [expected_mlflow_version, "a", "b"],
              strict=True,
          )
  
      # Constraints file
      with mlflow.start_run():
          mlflow.statsmodels.log_model(
              ols.model,
              "model",
              pip_requirements=[f"-c {req_file}", "b"],
          )
          _assert_pip_requirements(
              mlflow.get_artifact_uri("model"),
              [expected_mlflow_version, "b", "-c constraints.txt"],
              ["a"],
              strict=True,
          )
  
imports: import json
  import os
  from pathlib import Path
  from unittest import mock
  import numpy
  import pandas
  import pytest
  import yaml
  import mlflow.pyfunc.scoring_server
  import mlflow.statsmodels
  import mlflow.utils
  from mlflow import pyfunc
  from mlflow.models import Model
  from mlflow.models.utils import _read_example
  from mlflow.store.artifact.s3_artifact_repo import S3ArtifactRepository
  from mlflow.tracking.artifact_utils import _download_artifact_from_uri
  from mlflow.utils.environment import _mlflow_conda_env
  from mlflow.utils.file_utils import TempDir
  from mlflow.utils.model_utils import _get_flavor_configuration
  from tests.helper_functions import _assert_pip_requirements, _compare_conda_env_requirements, _compare_logged_code_paths, _is_available_on_pypi, _mlflow_major_version_string, assert_register_model_called_with_local_model_path, pyfunc_serve_and_score_model
  from tests.statsmodels.model_fixtures import arma_model, gee_model, glm_model, gls_model, glsar_model, ols_model, ols_model_signature, recursivels_model, rolling_ols_model, rolling_wls_model, wls_model
label_desc: Use image node_id 15 for calling a global function with example usage: test_log_model_with_pip_requirements(tmp_path) without return types