Accept transformer methods with no __name__ in Pipelines #177
Description
Description of Problem:
melusine/base.py:238: in transform
logger.debug(f"Running transform for {type(self).__name__} ({method.__name__})")
If the name attribute is absent, the transform method execution fails.
This may happens for mocked methods.
Overview of the Solution:
Use a default name if the name attribute is not present
Definition of Done:
Transformers with unnamed methods can be run.