updated galata ref

Author: Nour-Cheour10

ipyopenlayers/Map.py

@@ -32,7 +32,6 @@ class TileLayer(Layer):
     min_zoom = Int(0).tag(sync=True)
     max_zoom = Int(18).tag(sync=True)
 
-
 class RasterTileLayer(TileLayer):
 
     _view_name = Unicode('RasterTileLayerView').tag(sync=True)