[gui][noiseremoval] Set steps or chunks to None only if other is not

darfix/gui/noiseRemovalWidget.py

@@ -26,7 +26,7 @@
 
 __authors__ = ["J. Garriga"]
 __license__ = "MIT"
-__date__ = "09/02/2021"
+__date__ = "20/07/2021"
 
 import logging
 
@@ -280,13 +280,13 @@ class NoiseRemovalWidget(qt.QMainWindow):
         else:
             bg = None
 
-        self._chunks = None
-        self._step = None
         if self._parametersDock.inDiskWidget.isVisible():
             if self._parametersDock.inDiskCheckbox.isChecked():
+                self._step = None
                 self._chunks = [int(self._parametersDock.verticalChunkSize.text()),
                                 int(self._parametersDock.horizontalChunkSize.text())]
             else:
+                self._chunks = None
                 self._step = int(self._parametersDock.step.text())
 
         self._thread = OperationThread(self, self._update_dataset.apply_background_subtraction)