Fixing tests

Removing traces and starting migration of test suite to pytest

Fixing lint warnings about pipeline cyclic import

Adding version and comments

Fixing module comment

Fixing dump methods for local resources, failing after featurizer add…

…ition

Fixing locale check and adding documentation on local batch_predict m…

…ethod

Fixing creation of annotated images sources

Adding the resource information to the api.ok callback

Fixing api.ok when API calls fail