Remove unused arg job_detail for EstimatorBase.attach() (aws#210)

Author: yangaws

CHANGELOG.rst

@@ -7,6 +7,7 @@ CHANGELOG
 
 * bug-fix: Remove __all__ and add noqa in __init__
 * bug-fix: Estimators: Change max_iterations hyperparameter key for KMeans
+* bug-fix: Estimators: Remove unused argument job_details for ``EstimatorBase.attach()``
 
 1.3.0
 =====

src/sagemaker/estimator.py

@@ -183,7 +183,7 @@ def _from_training_job(cls, init_params, hyperparameters, image, sagemaker_sessi
         raise NotImplementedError()
 
     @classmethod
-    def attach(cls, training_job_name, sagemaker_session=None, job_details=None):
+    def attach(cls, training_job_name, sagemaker_session=None):
         """Attach to an existing training job.
 
         Create an Estimator bound to an existing training job, each subclass is responsible to implement