Update screenData.py

src/fenrir-package/core/screenData.py

@@ -5,14 +5,14 @@ screenData = {
 'lines': 0,
 'oldDelta': '',
 'oldNegativeDelta': '',
-'oldCursorReview':{'x':-1,'y':-1},
+'oldCursorReview':None,
 'oldCursor':{'x':0,'y':0},
 'oldContentBytes': b'',
 'oldContentText': '',
 'oldContentAttrib': b'',
 'newDelta': '',
 'newNegativeDelta': '',
-'newCursorReview':{'x':-1,'y':-1},
+'newCursorReview':None,
 'newCursor':{'x':0,'y':0},
 'newContentBytes': b'',
 'newContentText': '',