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[Docs] Fix a wrong example in DefaultOptimizerConstructor (#1795)

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Tong Gao 2022-03-12 00:21:22 +08:00 committed by GitHub
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mmcv/runner/optimizer/default_constructor.py
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@ -84,7 +84,7 @@ class DefaultOptimizerConstructor:
>>> # assume model have attribute model.backbone and model.cls_head
>>> optimizer_cfg = dict(type='SGD', lr=0.01, weight_decay=0.95)
>>> paramwise_cfg = dict(custom_keys={
'.backbone': dict(lr_mult=0.1, decay_mult=0.9)})
'backbone': dict(lr_mult=0.1, decay_mult=0.9)})
>>> optim_builder = DefaultOptimizerConstructor(
>>> optimizer_cfg, paramwise_cfg)
>>> optimizer = optim_builder(model)