code: def _is_plotly_available() -> bool:
      try:
          import plotly  # NOQA
  
          available = True
      except Exception:
          available = False
      return available
  
imports: import datetime
  import logging
  from textwrap import dedent
  from typing import cast
  import numpy
  import pytest
  from pytest import LogCaptureFixture
  import optuna
  from optuna.distributions import FloatDistribution
  from optuna.study import create_study
  from optuna.testing.visualization import prepare_study_with_trials
  from optuna.trial import create_trial
  from optuna.trial import FrozenTrial
  from optuna.trial import TrialState
  from optuna.visualization import is_available
  from optuna.visualization._utils import _check_plot_args
  from optuna.visualization._utils import _filter_nonfinite
  from optuna.visualization._utils import _is_log_scale
  from optuna.visualization._utils import _make_hovertext
label_desc: Use image node_id 2 for calling a global function with example usage: _is_plotly_available() and returns: available