diff --git a/hisim/postprocessing/scenario_evaluation/result_data_processing.py b/hisim/postprocessing/scenario_evaluation/result_data_processing.py
index 96b0b18c8..77db9c8e6 100644
--- a/hisim/postprocessing/scenario_evaluation/result_data_processing.py
+++ b/hisim/postprocessing/scenario_evaluation/result_data_processing.py
@@ -9,7 +9,6 @@
 import copy
 import warnings
 import numpy as np
-import pyam
 import pandas as pd
 import matplotlib.pyplot as plt
 
@@ -830,7 +829,6 @@ def filter_pandas_dataframe(
             )
         return filtered_dataframe
 
-
     def get_statistics_of_data_and_write_to_excel(
         self, filtered_data: pd.DataFrame, path_to_save: str, kind_of_data_set: str,
     ) -> None: