Resolve "release v1.4.0"

Closes #317 (closed)

mlair/plotting/training_monitoring.py

@@ -84,7 +84,8 @@ class PlotModelHistory:
 
         :param filename: name (including total path) of the plot to save.
         """
-        ax = self._data[[self._plot_metric, f"val_{self._plot_metric}"]].plot(linewidth=0.7, logy=True)
+        ax = self._data[[self._plot_metric, f"val_{self._plot_metric}"]].plot(linewidth=0.7)
+        ax.set_yscale('log')
         if len(self._additional_columns) > 0:
             self._data[self._additional_columns].plot(linewidth=0.7, secondary_y=True, ax=ax, logy=True)
         title = f"Model {self._plot_metric}: best = {self._data[[f'val_{self._plot_metric}']].min().values}"