Merge pull request optuna#6011 from not522/remove-matplotlib-contour-warning

Remove warning messages for Matplotlib-based `plot_contour` and `plot_rank`

Author: c-bata

optuna/visualization/matplotlib/_contour.py

@@ -7,7 +7,6 @@
 
 from optuna._experimental import experimental_func
 from optuna._imports import try_import
-from optuna.logging import get_logger
 from optuna.study import Study
 from optuna.trial import FrozenTrial
 from optuna.visualization._contour import _AxisInfo
@@ -27,8 +26,6 @@
     from optuna.visualization.matplotlib._matplotlib_imports import ContourSet
     from optuna.visualization.matplotlib._matplotlib_imports import plt
 
-_logger = get_logger(__name__)
-
 
 CONTOUR_POINT_NUM = 100
 
@@ -48,11 +45,6 @@ def plot_contour(
     .. seealso::
         Please refer to :func:`optuna.visualization.plot_contour` for an example.
 
-    Warnings:
-        Output figures of this Matplotlib-based
-        :func:`~optuna.visualization.matplotlib.plot_contour` function would be different from
-        those of the Plotly-based :func:`~optuna.visualization.plot_contour`.
-
     Args:
         study:
             A :class:`~optuna.study.Study` object whose trials are plotted for their target values.
@@ -76,10 +68,6 @@ def plot_contour(
     """
 
     _imports.check()
-    _logger.warning(
-        "Output figures of this Matplotlib-based `plot_contour` function would be different from "
-        "those of the Plotly-based `plot_contour`."
-    )
     info = _get_contour_info(study, params, target, target_name)
     return _get_contour_plot(info)
 

optuna/visualization/matplotlib/_rank.py

@@ -3,7 +3,6 @@
 from collections.abc import Callable
 
 from optuna._experimental import experimental_func
-from optuna.logging import get_logger
 from optuna.study import Study
 from optuna.trial import FrozenTrial
 from optuna.visualization._rank import _get_rank_info
@@ -19,9 +18,6 @@
     from optuna.visualization.matplotlib._matplotlib_imports import plt
 
 
-_logger = get_logger(__name__)
-
-
 @experimental_func("3.2.0")
 def plot_rank(
     study: Study,
@@ -37,11 +33,6 @@ def plot_rank(
     .. seealso::
         Please refer to :func:`optuna.visualization.plot_rank` for an example.
 
-    Warnings:
-        Output figures of this Matplotlib-based
-        :func:`~optuna.visualization.matplotlib.plot_rank` function would be different from
-        those of the Plotly-based :func:`~optuna.visualization.plot_rank`.
-
     Args:
         study:
             A :class:`~optuna.study.Study` object whose trials are plotted for their target values.
@@ -61,10 +52,6 @@ def plot_rank(
     """
 
     _imports.check()
-    _logger.warning(
-        "Output figures of this Matplotlib-based `plot_rank` function would be different from "
-        "those of the Plotly-based `plot_rank`."
-    )
     info = _get_rank_info(study, params, target, target_name)
     return _get_rank_plot(info)