Add explicit imageio dependency

conda/meta.yaml

@@ -30,6 +30,7 @@ requirements:
     - numpy {{ numpy }}
     - scipy {{ scipy }}
     - opencv {{ opencv }}
+    - imageio {{ imageio }}
     - bob.io.image
   run:
     - python
@@ -38,6 +39,7 @@ requirements:
     - {{ pin_compatible('numpy') }}
     - {{ pin_compatible('scipy') }}
     - {{ pin_compatible('opencv') }}
+    - {{ pin_compatible('imageio') }}
 
 test:
   imports:

requirements.txt

@@ -3,4 +3,5 @@ numpy
 scipy
 h5py
 # opencv  We need opencv, but the opencv package is broken and can't be installed with pip. Install it with conda.
-bob.io.image
+imageio
\ No newline at end of file
+bob.io.image