diff --git a/dataprocessing/readtools.py b/dataprocessing/readtools.py
index 4b6c6d57b65402465405053478b00e624727188e..98445c590efdc3e7ec1b7e6e5f267e188fe47172 100644
--- a/dataprocessing/readtools.py
+++ b/dataprocessing/readtools.py
@@ -1,8 +1,7 @@
 import numpy as np
 import pandas as pd
-from dataprocessing.timeseries import *
+from timeseries import *
 import re
-import cmath
 
 def read_timeseries_Modelica(filename, timeseries_names=None, is_regex=False):
     from modelicares import SimRes
@@ -30,9 +29,6 @@ def read_timeseries_Modelica(filename, timeseries_names=None, is_regex=False):
             for name in timeseries_names:
                 timeseries.append(TimeSeries(name, sim(name).times(), sim(name).values()))
 
-    #print('Modelica results column names: ' + str(timeseries_names))
-    #print('Modelica results number: ' + str(len(timeseries_names)))
-
     return timeseries
 
 
@@ -265,11 +261,13 @@ def read_timeseries_NEPLAN_loadflow(file_name, timeseries_names=None, is_regex=F
                 pass
             else:
                 line_del.append(rule_check)
+
     # delete those values that are not needed.
     line_del = set(line_del)
     line_del = sorted(line_del)
     for num_to_del in range(len(line_del)):
         del timeseries[line_del[len(line_del) - num_to_del - 1]]
+
     return timeseries
 
 
@@ -336,5 +334,4 @@ def read_timeseries_simulink_loadflow(file_name, timeseries_names=None, is_regex
     line_del = sorted(line_del)
     for num_to_del in range(len(line_del)):
         del timeseries[line_del[len(line_del) - num_to_del - 1]]
-
     return timeseries
\ No newline at end of file
diff --git a/dataprocessing/validationtools.py b/dataprocessing/validationtools.py
index 60296687bee85c8d57d1dfae6693d862f3db643e..6bb6e3b710ac2c662a9e1b0bbd29cbd515cda2b8 100644
--- a/dataprocessing/validationtools.py
+++ b/dataprocessing/validationtools.py
@@ -1,7 +1,10 @@
 #!/usr/bin/python
 # -*- coding: UTF-8 -*-
+
 import os
-from dataprocessing.readtools import *
+
+from readtools import *
+
 
 
 def convert_neplan_to_modelica_timeseries(neplan_timeseries):
@@ -94,9 +97,13 @@ def compare_timeseries(ts1, ts2):
         for j in range(len_limit):
             if ts1[i].name == ts2[j].name:  # Find the same variable
                 timeseries_names.append(ts1[i].name)
-                timeseries_error.append(TimeSeries.rmse(ts2[j], ts1[i])/ts1[i].values[1])
+                if ts1[i].values[0] == 0:
+                    timeseries_error.append(TimeSeries.rmse(ts2[j], ts1[i]))  # is it good to do so?
+                else:
+                    timeseries_error.append(TimeSeries.rmse(ts2[j], ts1[i])/ts1[i].values[0])
+
                 print(ts1[i].name)
-                print(TimeSeries.rmse(ts2[j], ts1[i])/ts1[i].values[len(ts1[i].values) - 1])
+                print(timeseries_error[len(timeseries_error) - 1])
                 flag_not_found = True
         if flag_not_found is False:
             # No such variable in Modelica model, set the error to -1
@@ -116,7 +123,7 @@ def assert_modelia_results(net_name, error):
     fail_list = []  # List for all the failed test
     #  the limitations are set to 0.5
     for name in error.keys():
-        if abs(error[name]) > 0.01:
+        if abs(error[name]) > 0.5:
             fail_list.append(name)
         else:
             print("Test on %s Passed" % name)
diff --git a/examples/assertresults/assertresults.py b/examples/assertresults/assertresults.py
index 162431724a64a9e36707336f4314b219d9dd333f..b72f31ca468d699a7fac67e5391bd9c0faa783e3 100644
--- a/examples/assertresults/assertresults.py
+++ b/examples/assertresults/assertresults.py
@@ -2,14 +2,18 @@ import re
 import os
 import sys
 
-from dataprocessing.validationtools import *
-from dataprocessing.readtools import *
+sys.path.append(r"D:\HIWI\Git\data-processing\dataprocessing")
+from validationtools import *
+from readtools import *
+os.chdir(r"D:\HIWI\Git")
+
 print("Test Start")
 # We need to extract all the result files from git now
+
 for files in os.listdir(
         os.path.abspath("reference-results/Neplan/BasicGrids")):
         #  Assert the result, model result path read from cmd line
-        assert_modelia_neplan_results(os.path.splitext(files)[0],
+        validate_modelica_res(os.path.splitext(files)[0],
                                       os.path.abspath("reference-results/Modelica/BasicGrids/" +
                                                       os.path.splitext(files)[0] + ".mat"),
                                       os.path.abspath("reference-results/Neplan/BasicGrids/" +