small bugfix

rdstar/studies/low_level_cut_study/plotting.py

@@ -62,6 +62,7 @@ class LowLevelCutPlotter:
                 if len(df) == 0:
                     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.savefig(save_path)
                     continue