"cnn_model" is not working (raise PicklingError( pickle.PicklingError: Can't pickle <class '_thread.lock'>: it's not found as _thread.lock)) in [src/deepmol/pipeline_optimization/_utils.py](https://github.com/BioSystemsUM/DeepMol/pull/86/files/9d4e48237192ac59fdffb1a745bea1f942247bea#diff-351e8e34b992507ca33b45dfef244c025c428a24c3a031239946fa2102a5e6bb)
"cnn_model" is not working (raise PicklingError(
pickle.PicklingError: Can't pickle <class '_thread.lock'>: it's not found as _thread.lock))
in src/deepmol/pipeline_optimization/_utils.py