Fixed bug in Tcorr image return

The other parts of the Tcorr function were returning two objects, the Tcorr value and the Index value.  To mimic this, the Tcorr image section was changed to return two images.

openet/ssebop/__init__.py

@@ -1,4 +1,4 @@
 from .model import Image
 from .model import collection
 
-__version__ = "0.0.10"
+__version__ = "0.0.11"

openet/ssebop/model.py

@@ -313,6 +313,7 @@ def _tcorr(self):
         Returns
         -------
 
+
         Raises
         ------
         ValueError
@@ -479,7 +480,7 @@ def _tcorr(self):
                     'Invalid tcorr_source: {} / {}\n'.format(
                         self._tcorr_source, self._tmax_source))
 
-            return tcorr_img.rename(['tcorr', 'index'])
+            return tcorr_img.select([0], ['tcorr']), tcorr_img.select([1], ['index'])
 
         else:
             raise ValueError('Unsupported tcorr_source: {}\n'.format(

openet/ssebop/tests/test_model.py

@@ -349,11 +349,11 @@ def test_Image_tcorr_image_source(tcorr_source, tmax_source, scene_id, month,
     pnt = ee.Image('LANDSAT/LC08/C01/T1_TOA/{}'.format(SCENE_ID)) \
         .geometry().centroid().getInfo()['coordinates']
 
-    tcorr_img = s._tcorr
+    tcorr_img, index_img = s._tcorr
 
     # Tcorr images are constant images and need to be queried at a point
-    tcorr = utils.point_image_value(ee.Image(tcorr_img.select(['tcorr'])), pnt)
-    index = utils.point_image_value(ee.Image(tcorr_img.select(['index'])), pnt)
+    tcorr = utils.point_image_value(ee.Image(tcorr_img), pnt)
+    index = utils.point_image_value(ee.Image(index_img), pnt)
     assert abs(tcorr - expected[0]) <= tol
     assert index == expected[1]