24 lines
816 B
Python
24 lines
816 B
Python
# Copyright The Lightning AI team.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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from lightning.fabric.plugins import TPUBf16Precision
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def test_teardown():
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plugin = TPUBf16Precision()
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assert os.environ.get("XLA_USE_BF16") == "1"
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plugin.teardown()
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assert "XLA_USE_BF16" not in os.environ
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