refactor(converter): code adjustments

converter.py

@@ -3,10 +3,10 @@
 import pillow_heif
 from PyQt5.QtWidgets import QApplication, QFileDialog, QMessageBox
 
-def convert_to_jpg(input_path, output_path):
 
+def convert_to_jpg(input_path, output_path):
     for filename in os.listdir(input_path):
-        if filename.endswith('.HEIC') or filename.endswith('.heic'):
+        if filename.lower().endswith((".heic", ".heif")):
             filepath = os.path.join(input_path, filename)
             heif_file = pillow_heif.read_heif(filepath)
             image = Image.frombytes(
@@ -15,40 +15,43 @@ def convert_to_jpg(input_path, output_path):
                 heif_file.data,
                 "raw",
             )
-
-            output_path_new = os.path.join(output_path, os.path.splitext(filename)[0] + '.jpg')
+            output_path_new = os.path.join(
+                output_path, os.path.splitext(filename)[0] + ".jpg"
+            )
             image.save(output_path_new)
 
+
 def choose_folder():
-    input_path = QFileDialog.getExistingDirectory(None,'Choose a Folder')
+    input_path = QFileDialog.getExistingDirectory(None, "Choose a Folder")
     return input_path
 
+
 def main():
     input_path = choose_folder()
     if input_path:
-        output_path = os.path.join(os.path.dirname(input_path), 'converted_jpgs')
+        output_path = os.path.join(os.path.dirname(input_path), "converted_jpgs")
         os.makedirs(output_path, exist_ok=True)
         try:
             convert_to_jpg(input_path, output_path)
             message_box = QMessageBox()
-            message_box.setWindowTitle('Success')
-            message_box.setText('Conversion complete.')
+            message_box.setWindowTitle("Success")
+            message_box.setText("Conversion complete.")
             message_box.setIcon(QMessageBox.Information)
             message_box.exec_()
         except Exception as e:
             message_box = QMessageBox()
-            message_box.setWindowTitle('Error')
-            message_box.setText(f'An error occurred: {e}')
+            message_box.setWindowTitle("Error")
+            message_box.setText(f"An error occurred: {e}")
             message_box.setIcon(QMessageBox.Warning)
             message_box.exec_()
     else:
         message_box = QMessageBox()
-        message_box.setWindowTitle('Error')
-        message_box.setText('No folder selected.')
+        message_box.setWindowTitle("Error")
+        message_box.setText("No folder selected.")
         message_box.setIcon(QMessageBox.Warning)
         message_box.exec_()
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     app = QApplication([])
-    main()
+    main()