引发exc.NoSuchModuleErrorsqlalchemy.exc.NoSuchModuleError：无法加载插件：sqlalchemy.dialects：mysql.pymysql 嗨，我尝试使用MySQL和MAMP创建数据库当我运行代码时，以下内容错误显示：我已经通过终端和pycharm库浏览器安装了库这是我的代码：

问题描述

嗨，我尝试使用MysqL和MAMP创建数据库。当我运行代码时，以下内容

错误显示：

我已经安装了库： 烧瓶 flask_sqlalchemy sql炼金术 PyMysqL的

/usr/local/bin/python3.8 /Users/mac/Documents/python/DAY12/main.py
/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site- 
packages/flask_sqlalchemy/__init__.py:833: FSADeprecationWarning: 
sqlALCHEMY_TRACK_MODIFICATIONS adds significant overhead and will be disabled by default in 
the future.  Set it to True or False to suppress this warning.
  warnings.warn(FSADeprecationWarning(
Traceback (most recent call last):
  File "/Users/mac/Documents/python/DAY12/main.py",line 18,in <module>
    db.create_all()
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site- 
  packages/flask_sqlalchemy/__init__.py",line 1039,in create_all
    self._execute_for_all_tables(app,bind,'create_all')
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site- 
  packages/flask_sqlalchemy/__init__.py",line 1031,in _execute_for_all_tables
    op(bind=self.get_engine(app,bind),**extra)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site- 
  packages/flask_sqlalchemy/__init__.py",line 962,in get_engine
    return connector.get_engine()
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site- 
  packages/flask_sqlalchemy/__init__.py",line 556,in get_engine
    self._engine = rv = self._sa.create_engine(sa_url,options)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site- 
  packages/flask_sqlalchemy/__init__.py",line 972,in create_engine
    return sqlalchemy.create_engine(sa_url,**engine_opts)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site- 
  packages/sqlalchemy/engine/__init__.py",line 500,in create_engine
    return strategy.create(*args,**kwargs)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site- 
  packages/sqlalchemy/engine/strategies.py",line 61,in create
    entrypoint = u._get_entrypoint()
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site- 
  packages/sqlalchemy/engine/url.py",line 172,in _get_entrypoint
    cls = registry.load(name)
  File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/site- 
  packages/sqlalchemy/util/langhelpers.py",line 267,in load
    raise exc.NoSuchModuleError(
sqlalchemy.exc.NoSuchModuleError: Can't load plugin: sqlalchemy.dialects:MysqL.pyMysqL

我已经通过终端和pycharm库浏览器安装了库。这是我的代码：

from flask import Flask,render_template
from flask_sqlalchemy import sqlAlchemy

app = Flask(__name__)
app.config['sqlALCHEMY_DATABASE_URI'] = 'MysqL+pyMysqL://rootloaclhost/dbcodigo2'

db = sqlAlchemy(app)


class Mentores(db.Model):
    __tablename = 'mentores'
    _id = db.Column(db.Integer,primary_key=True,autoincrement=True)
    nombre = db.Column(db.String(50))
    apellidos = db.Column(db.String(50))
    correo = db.Column(db.String(100))


db.create_all()


@app.route('/')
def index():
    return render_template('index.html')


app.run(debug=True,port=8000)

我的计算机：MacOS 版本：Catalina

解决方法

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