code: def test_log_parameters(tmp_path: Path) -> None:
      filepath = tmp_path / "logs.txt"
      cases = [
          0,
          np.int_(1),
          np.float_(2.0),
          np.nan,
          float("inf"),
          np.inf,
      ]
      instrum = ng.p.Instrumentation(
          ng.ops.mutations.Translation()(ng.p.Array(shape=(1,))),
          ng.p.Scalar(),
          blublu=ng.p.Choice(cases),
          array=ng.p.Array(shape=(3, 2)),
      )
      optimizer = optimizerlib.NoisyOnePlusOne(
          parametrization=instrum, budget=32
      )
      optimizer.register_callback(
          "tell", ng.callbacks.ParametersLogger(filepath, append=False)
      )
      optimizer.minimize(_func, verbosity=2)
      # pickling
      logger = callbacks.ParametersLogger(filepath)
      logs = logger.load_flattened()
      assert len(logs) == 32
      assert isinstance(logs[-1]["1"], float)
      assert len(logs[-1]) == 38
      logs = logger.load_flattened(max_list_elements=2)
      assert len(logs[-1]) == 34
      # deletion
      logger = callbacks.ParametersLogger(filepath, append=False)
      assert not logger.load()
  
imports: import time
  from pathlib import Path
  import logging
  import os
  import numpy
  import nevergrad
  import nevergrad.common.typing
  from .None import optimizerlib
  from .None import callbacks
label_desc: Use image node_id 2 for calling a global function with example usage: test_log_parameters(tmp_path) without return types