Linting

pdfView.py

@@ -1,12 +1,13 @@
 from PySide6.QtCore import QFile
-from PySide6.QtWidgets import QDialog, QVBoxLayout, QWidget
-from PySide6.QtPdfWidgets import QPdfView
 from PySide6.QtPdf import QPdfDocument
+from PySide6.QtPdfWidgets import QPdfView
+from PySide6.QtWidgets import QDialog, QVBoxLayout, QWidget
+
 
 class PDFViewer(QDialog):
     pdf_view: QPdfView
     pdf_document: QPdfDocument
-    
+
     def __init__(self, parent: QWidget) -> None:
         super(PDFViewer, self).__init__(parent)