Export HyperModel's old path (#960)

Author: haifeng-jin

RELEASE.md

@@ -8,6 +8,11 @@
 * When running in parallel, the chief used to start to block in
   `tuner.__init__()`. However, it makes more sense to block when calling
   `tuner.search()`. Now, it is fixed.
+* Could not do `from keras_tuner.engine.hypermodel import HyperModel`. It is now fixed.
+* Could not do `from keras_tuner.engine.hyperparameters import HyperParameters`. It is now fixed.
+* Could not do `from keras_tuner.engine.metrics_tracking import infer_metric_direction`. It is now fixed.
+* Could not do `from keras_tuner.engine.oracle import Objective`. It is now fixed.
+* Could not do `from keras_tuner.engine.oracle import Oracle`. It is now fixed.
 
 # Release v1.4.4
 

keras_tuner/engine/hypermodel.py

@@ -17,7 +17,12 @@
 from keras_tuner.api_export import keras_tuner_export
 
 
-@keras_tuner_export("keras_tuner.HyperModel")
+@keras_tuner_export(
+    [
+        "keras_tuner.HyperModel",
+        "keras_tuner.engine.hypermodel.HyperModel",
+    ]
+)
 class HyperModel:
     """Defines a search space of models.
 

keras_tuner/engine/hyperparameters/hyperparameters.py

@@ -26,7 +26,12 @@
 from keras_tuner.engine.hyperparameters import hyperparameter as hp_module
 
 
-@keras_tuner_export("keras_tuner.HyperParameters")
+@keras_tuner_export(
+    [
+        "keras_tuner.HyperParameters",
+        "keras_tuner.engine.hyperparameters.HyperParameters",
+    ]
+)
 class HyperParameters:
     """Container for both a hyperparameter space, and current values.
 

keras_tuner/engine/metrics_tracking.py

@@ -18,6 +18,7 @@
 import six
 
 from keras_tuner import protos
+from keras_tuner.api_export import keras_tuner_export
 from keras_tuner.backend import keras
 
 
@@ -321,6 +322,9 @@ def _assert_exists(self, name):
 )
 
 
+@keras_tuner_export(
+    "keras_tuner.engine.metrics_tracking.infer_metric_direction",
+)
 def infer_metric_direction(metric):
     # Handle str input and get canonical object.
     if isinstance(metric, six.string_types):

keras_tuner/engine/objective.py

@@ -16,7 +16,9 @@
 from keras_tuner.engine import metrics_tracking
 
 
-@keras_tuner_export("keras_tuner.Objective")
+@keras_tuner_export(
+    ["keras_tuner.Objective", "keras_tuner.engine.oracle.Objective"]
+)
 class Objective:
     """The objective for optimization during tuning.
 

keras_tuner/engine/oracle.py

@@ -246,7 +246,7 @@ def format_duration(self, d):
         return f"{h:02d}h {m:02d}m {s:02d}s"
 
 
-@keras_tuner_export("keras_tuner.Oracle")
+@keras_tuner_export(["keras_tuner.Oracle", "keras_tuner.engine.oracle.Oracle"])
 class Oracle(stateful.Stateful):
     """Implements a hyperparameter optimization algorithm.