Add mpi4py in the env

Author: namannimmo10

conda/environment.yml

@@ -5,6 +5,7 @@ channels:
 dependencies:
   - conda-forge::pyyaml
   - conda-forge::tomopy=1.15
+  - conda-forge::mpi4py
   - httomo::httomolib=2.1.2
   - httomo::httomolibgpu=2.1.2
   - httomo::tomobar

tests/test_httomolibgpu.py

@@ -17,8 +17,8 @@
 httomolibgpu = pytest.importorskip("httomolibgpu")
 import cupy as cp
 
-from httomo.methods_database.query import get_method_info
-from httomo.utils import OutputRef
+from httomo_backends.methods_database.query import get_method_info
+from httomo_backends.utils import OutputRef
 
 
 from httomolibgpu.misc.morph import data_resampler, sino_360_to_180