Move clear() call before QRCode attribute initialization

Author: bartTC

qrcode/main.py

@@ -81,6 +81,7 @@ def __init__(
     ):
         _check_box_size(box_size)
         _check_border(border)
+        self.clear()
         self.version = version
         self.error_correction = int(error_correction)
         self.box_size = int(box_size)
@@ -91,7 +92,6 @@ def __init__(
         self.image_factory = image_factory
         if image_factory is not None:
             assert issubclass(image_factory, BaseImage)
-        self.clear()
 
     @property
     def version(self) -> int: