Upgraded to xtensor 0.23.3

Author: JohanMabille

README.md

@@ -64,7 +64,7 @@ http://xtensor-blas.readthedocs.io/
 
 | `xtensor-blas`  | `xtensor` |
 |-----------------|-----------|
-| master          |  ^0.23.0  |
+| master          |  ^0.23.3  |
 | 0.19.0          |  ^0.23.0  |
 | 0.18.0          |  ^0.22.0  |
 | 0.17.2          |  ^0.21.4  |

environment-dev.yml

@@ -3,4 +3,4 @@ channels:
   - conda-forge
 dependencies:
   - cmake
-  - xtensor=0.23.0
+  - xtensor=0.23.3