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Import tensorflow.keras (tf_keras) when TF_USE_LEGACY_KERAS #1040

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Import tensorflow.keras (tf_keras) when TF_USE_LEGACY_KERAS #1040

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13 changes: 7 additions & 6 deletions keras_tuner/backend/config.py
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Expand Up @@ -12,15 +12,16 @@
# See the License for the specific language governing permissions and
# limitations under the License.

import keras
import os


def _multi_backend():
if os.environ.get("TF_USE_LEGACY_KERAS", None) in ("true", "True", "1"):
from tensorflow as keras
_MULTI_BACKEND = False
else:
import keras
version_fn = getattr(keras, "version", None)
return version_fn and version_fn().startswith("3.")


_MULTI_BACKEND = _multi_backend()
_MULTI_BACKEND = version_fn and version_fn().startswith("3.")


def multi_backend():
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