!807 Modify class EvaluationBase to private API

Merge pull request !807 from fanglei/eval

mindspore/nn/metrics/__init__.py

@@ -20,7 +20,6 @@ on the evaluation dataset. It's used to choose the best model.
 """
 from .accuracy import Accuracy
 from .error import MAE, MSE
-from .evaluation import EvaluationBase
 from .metric import Metric
 from .precision import Precision
 from .recall import Recall
@@ -32,7 +31,6 @@ __all__ = [
     "names", "get_metric_fn",
     "Accuracy",
     "MAE", "MSE",
-    "EvaluationBase",
     "Metric",
     "Precision",
     "Recall",

mindspore/nn/metrics/accuracy.py

@@ -14,7 +14,7 @@
 # ============================================================================
 """Accuracy."""
 import numpy as np
-from .evaluation import EvaluationBase
+from ._evaluation import EvaluationBase
 
 
 class Accuracy(EvaluationBase):

mindspore/nn/metrics/precision.py

@@ -18,7 +18,7 @@ import sys
 import numpy as np
 
 from mindspore._checkparam import Validator as validator
-from .evaluation import EvaluationBase
+from ._evaluation import EvaluationBase
 
 
 class Precision(EvaluationBase):

mindspore/nn/metrics/recall.py

@@ -18,7 +18,7 @@ import sys
 import numpy as np
 
 from mindspore._checkparam import Validator as validator
-from .evaluation import EvaluationBase
+from ._evaluation import EvaluationBase
 
 
 class Recall(EvaluationBase):