works

visualizer/visualizer/main.py

 import os
 import json
 import matplotlib
-from DataFrameCreator import DataFrameCreator
-from SeabornPlotter import SeabornPlotter
+import pandas as pd
+import seaborn as sns
+from .DataFrameCreator import DataFrameCreator
+from .SeabornPlotter import SeabornPlotter
 matplotlib.use('TkAgg')
 
 
 # --------------Main------------
 def main():
-    json_path = file_path = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))),
-                                         'data_folder_path.json')
+    json_path = "data_folder_path.json"
     with open(json_path, "r") as file:
         data_folder = json.load(file)