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        "description": "# Keras Lookahead\n\n[![Travis](https://travis-ci.org/CyberZHG/keras-lookahead.svg)](https://travis-ci.org/CyberZHG/keras-lookahead)\n[![Coverage](https://coveralls.io/repos/github/CyberZHG/keras-lookahead/badge.svg?branch=master)](https://coveralls.io/github/CyberZHG/keras-lookahead)\n[![Version](https://img.shields.io/pypi/v/keras-lookahead.svg)](https://pypi.org/project/keras-lookahead/)\n![Downloads](https://img.shields.io/pypi/dm/keras-lookahead.svg)\n![License](https://img.shields.io/pypi/l/keras-lookahead.svg)\n\n![](https://img.shields.io/badge/keras-tensorflow-blue.svg)\n![](https://img.shields.io/badge/keras-theano-blue.svg)\n![](https://img.shields.io/badge/keras-tf.keras-blue.svg)\n![](https://img.shields.io/badge/keras-tf.keras/eager-blue.svg)\n![](https://img.shields.io/badge/keras-tf.keras/2.0_beta-blue.svg)\n\n\\[[\u4e2d\u6587](https://github.com/CyberZHG/keras-lookahead/blob/master/README.zh-CN.md)|[English](https://github.com/CyberZHG/keras-lookahead/blob/master/README.md)\\]\n\nUnofficial implementation of the [lookahead mechanism](https://arxiv.org/pdf/1907.08610v1.pdf) for optimizers.\n\n## Install\n\n```bash\npip install keras-lookahead\n```\n\n## External Links\n\n- [tensorflow/addons:LookAhead](https://github.com/tensorflow/addons/blob/master/tensorflow_addons/optimizers/lookahead.py)\n\n## Usage\n\nArguments:\n\n* `optimizer`: Original optimizer.\n* `sync_period`: the `k` in the paper. The synchronization period.\n* `slow_step`: the `\u03b1` in the paper. The step size of slow weights.\n\n```python\nfrom keras_lookahead import Lookahead\n\noptimizer = Lookahead('adam', sync_period=5, slow_step=0.5)\n```\n\nCustom optimizers can also be used:\n\n```python\nfrom keras_radam import RAdam\nfrom keras_lookahead import Lookahead\n\noptimizer = Lookahead(RAdam())\n```",
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