MNT: Remove commented code

pyqtgraph/graphicsItems/ImageItem.py

@@ -291,11 +291,8 @@ class ImageItem(GraphicsObject):
             y = self.mapToDevice(QtCore.QPointF(0,1))
             w = Point(x-o).length()
             h = Point(y-o).length()
-            xds = max(1, int(1/w))
-            yds = max(1, int(1/h))
-            # xds = int(1/max(1,w))
-            # yds = int(1/max(1,h))
-            # 1/0
+            xds = int(1/max(1, w))
+            yds = int(1/max(1, h))
             image = fn.downsample(self.image, xds, axis=0)
             image = fn.downsample(image, yds, axis=1)
         else:

pyqtgraph/graphicsItems/tests/test_ImageItem.py

@@ -22,44 +22,3 @@ def test_dividebyzero():
     # must manually call im.imageItem.render here or the exception
     # will only exist on the Qt event loop
     im.imageItem.render()
-
-
-if __name__ == "__main__":
-    test_dividebyzero()
-
-
-# def test_getViewWidget():
-#     view = pg.PlotWidget()
-#     vref = weakref.ref(view)
-#     item = pg.InfiniteLine()
-#     view.addItem(item)
-#     assert item.getViewWidget() is view
-#     del view
-#     gc.collect()
-#     assert vref() is None
-#     assert item.getViewWidget() is None
-#
-# def test_getViewWidget_deleted():
-#     view = pg.PlotWidget()
-#     item = pg.InfiniteLine()
-#     view.addItem(item)
-#     assert item.getViewWidget() is view
-#
-#     # Arrange to have Qt automatically delete the view widget
-#     obj = pg.QtGui.QWidget()
-#     view.setParent(obj)
-#     del obj
-#     gc.collect()
-#
-#     assert not pg.Qt.isQObjectAlive(view)
-#     assert item.getViewWidget() is None
-
-
-#if __name__ == '__main__':
-    #view = pg.PlotItem()
-    #vref = weakref.ref(view)
-    #item = pg.InfiniteLine()
-    #view.addItem(item)
-    #del view
-    #gc.collect()
-