No module named 'pytorch_lightning'

根据引用\[3\]的介绍，如果出现"No module named 'pytorch_lightning'"的错误，可能是因为没有正确安装pytorch_lightning模块。请确保已经正确安装了pytorch_lightning模块。可以使用以下命令进行安装：

pip install pytorch_lightning

如果已经安装了pytorch_lightning模块，但仍然出现该错误，请确保已经正确导入了pytorch_lightning模块。可以使用以下语句进行导入：

import pytorch_lightning

如果问题仍然存在，请检查您的环境配置和安装是否正确，并确保您的代码中没有拼写错误或其他语法错误。
#### 引用[.reference_title]
- *1* [No module named ‘pytorch_lightning.utilities.distributed](https://blog.csdn.net/SPESEG/article/details/131530183)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* [（已解决）ModuleNotFoundError: No module named ‘pytorch_lightning.metrics](https://blog.csdn.net/qq_43391414/article/details/124412694)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control,239^v3^insert_chatgpt"}} ] [.reference_item]
- *3* [如何解决ModuleNotFoundError: No module named ‘pytorch_lightning.metrics](https://blog.csdn.net/lyf6667/article/details/125673107)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control,239^v3^insert_chatgpt"}} ] [.reference_item]
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