fix for the empty plots

rdstar/studies/low_level_cut_study/plotting.py

@@ -63,6 +63,8 @@ class LowLevelCutPlotter:
                     save_path = os.path.join(self.target_path, f"{key}_{new_cut_info.cut_name}_evaluation.pdf")
                     output.update({f"{key}_{new_cut_info.cut_name}_evaluation": save_path})
                     plt.cla()
+                    plt.title(cut_info.cut_str, loc="center")
+                    plt.title(channel, loc="right")
                     plt.savefig(save_path)
                     continue
 
@@ -80,7 +82,7 @@ class LowLevelCutPlotter:
                     histtype="stepfilled",
                     stacked=True,
                     lw=1.5,
-                    color=[KITColors.kit_green, KITColors.kit_red],
+                    color=[KITColors.kit_brown, KITColors.kit_cyan],
                     label=["Background", "Signal"]
                 )