allow creating a Raster from a list of rasterio.band objects

pyspatialml/raster.py

@@ -501,10 +501,17 @@ def __init__(
                         src_layers.append(RasterLayer(band))
                 self._layers = src_layers
                 return
+
+            # from a list of rasterio.band objects
+            elif all(isinstance(x, rasterio.Band) for x in src):
+                src_layers = []
+                for band in src:
+                    src_layers.append(RasterLayer(band))
+                self._layers = src_layers
+                return
         else:
             raise ValueError("Cannot create a Raster object from a mixture of inputs")
 
-                # normal
         # try:
         #     src_layers = []
         #     for band in src: