Post code clean-up, before attempt to upgrade controls to FigureWidgets

src/submissions/frontend/visualizations/__init__.py

@@ -4,6 +4,7 @@ Contains all operations for creating charts, graphs and visual effects.
 from PyQt6.QtWidgets import QWidget
 import plotly
 from plotly.graph_objects import Figure
+from plotly.graph_objs import FigureWidget
 import pandas as pd
 from frontend.widgets.functions import select_save_file
 
@@ -35,7 +36,6 @@ class CustomFigure(Figure):
         output = select_save_file(obj=parent, default_name=group_name, extension="xlsx")
         self.df.to_excel(output.absolute().__str__(), engine="openpyxl", index=False)
 
-
     def to_html(self) -> str:
         """
         Creates final html code from plotly