migrate from PyQt6 to PySide6, remove unneeded dependencies

src/ui/widgets/elsa_main.py

@@ -1,13 +1,13 @@
 import os
 from .widget_sources.elsa_maindialog_ui import Ui_Dialog
-from PyQt6 import QtCore, QtWidgets, QtGui
-from PyQt6.QtGui import QRegularExpressionValidator
-from PyQt6.QtCore import QDate
+from PySide6 import QtCore, QtWidgets, QtGui
+from PySide6.QtGui import QRegularExpressionValidator
+from PySide6.QtCore import QDate
 from src import Icon
 from src.backend import Semester, Database
 from src.logic import elsa_word_to_csv, Prof
 from src.ui.dialogs import ElsaAddEntry, popus_confirm
-from src.ui.widgets import FilePicker, DataGraph
+from src.ui.widgets import FilePicker, DataQtGraph
 from src.backend import recreateElsaFile
 import loguru
 import sys
@@ -463,10 +463,12 @@ class ElsaDialog(QtWidgets.QDialog, Ui_Dialog):
         self.graph_data["x"].pop(0)
         self.graph_data["y"].pop(0)
         # generateMissing = True if len(self.graph_data["x"]) > 2 else False
-        graph = DataGraph(
+        graph = DataQtGraph(
             title="ELSA Apparate pro Semester",
             data=self.graph_data,
-            label="Anzahl der Apparate",
+            generateMissing=False,
+            y_label="Anzahl der Apparate",
+            x_rotation=0,
         )
         log.debug(self.graph_data)
         self.elsa_statistics_table.setRowCount(0)