Convert pyside6

closes #48

sohstationviewer/controller/processing.py

@@ -9,9 +9,9 @@ import re
 from pathlib import Path
 from typing import List, Optional, Dict, Tuple
 
-from PySide2.QtCore import QEventLoop, Qt
-from PySide2.QtGui import QCursor
-from PySide2.QtWidgets import QTextBrowser, QApplication
+from PySide6.QtCore import QEventLoop, Qt
+from PySide6.QtGui import QCursor
+from PySide6.QtWidgets import QTextBrowser, QApplication
 from obspy.io import reftek
 from obspy import UTCDateTime