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记：转义问题DeprecationWarning: invalid escape sequence '\l'

项目运行过程中遇见的warnning 问题： ..allure-pytest/utils.py: DeprecationWarning: invalid escape sequence '\l'return name.encode('ascii', 'backslashreplace').decode('unicode_escape')   找到位置：        分析： 产生的警告原因，是因为存在文件路径这样写的： 

解决 DeprecationWarning: Executable executable_path has been deprecated， please pass in a Service obje

1、错误脚本： # 导入selenium import time from selenium import webdriver # 选择谷歌浏览器 driver = webdriver.Chrome(executable_path=r'C:\Program Files\python39\chromedriver.exe') # 输入网址 driver.get("https://www.baidu.com/") # 操作网址 time.sleep(3) #

报错：DeprecationWarning: the imp module is deprecated in favour of importlib

DeprecationWarning: the imp module is deprecated in favour of importlib   此问题原因为 python 3.4后 imp库废弃，采用importlib库，所以更改我们的编译器pycharm的源码文件即可  在该目录下C:\PyCharm 5.0.4\helpers\pycharm（根据自己安装路径查看）有两个文件 1 docrunner.py 2

paddlepaddle 报错：DeprecationWarning: Using or importing the ABCs from ‘collections‘ instead of from ‘

在使用paddlepaddle时，需要导入paddle import paddle 然后立马报错： beimingke@beimingke:~/padtest$ python3 tensor.py /home/beimingke/anaconda3/lib/python3.7/site-packages/socks.py:58: DeprecationWarning: Using or importing the ABCs from 'collections' instead

mongoose连接运行报错DeprecationWarning: current Server Discovery and Monitoring engine is deprecated, and

错误提示如下：DeprecationWarning: current Server Discovery and Monitoring engine is deprecated, and will be removed in a future version. To use the new Server Discover and Monitoring engine, pass option { useUnifiedTopology: true } to the MongoClient constru

Mongoose解决MongoDB弃用警告（DeprecationWarning）

原文链接：https://mongoosejs.com/docs/deprecations.html#-findandmodify- MongoDB弃用警告 原文链接：https://mongoosejs.com/docs/deprecations.html#-findandmodify- 在MongoDB Node.js驱动程序中有几个弃用，Mongoose提供了解决这些弃用警告的选项

mongoose报错：DeprecationWarning: collection.ensureIndex is deprecated. Use createIndexes instead

mongoose报错： (node:9716)DeprecationWarning: collection.ensureIndex is deprecated. Use createIndexes instead 解决方法： //链接数据库 mongoose.set('useCreateIndex', true) //加上这个 mongoose.connect(db, { useNewUrlParser: true })

scikit-learn 0.18中的cross_validation模块被移除

环境：scikit-learn 0.18 , python3 from sklearn.cross_validation import train_test_split from sklearn.grid_search import GridSearchCV 报出如下警告： from sklearn.grid_search import GridSearchCV /usr/lib/python3.4/site-packages/sklearn/cross_validation.py:44: De