diff --git a/python/jittor/extern b/python/jittor/extern
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-../../extern
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diff --git a/python/jittor/notebook b/python/jittor/notebook
deleted file mode 120000
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diff --git a/python/jittor/script b/python/jittor/script
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diff --git a/python/jittor/src b/python/jittor/src
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-../../src
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