问zsh:命令找不到:烧瓶

EN

from flask import Flask, render_template, request, redirect, url_for, jsonify
from flask_sqlalchemy import SQLAlchemy
import sys
from flask_migrate import Migrate
from flask_cli import FlaskCLI
from flask_cli import FlaskGroup

app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'postgres://postgres@localhost:5432/todoapp'
db = SQLAlchemy(app)

migrate = Migrate(app, db)

class Todo(db.Model):
    __tablename__ = 'todos'
    id = db.Column(db.Integer, primary_key=True)
    description = db.Column(db.String(), nullable=False)

    def __repr__(self):
        return f'<Todo {self.id} {self.description}>'

db.create_all() 

@app.route('/')
def index():
    return render_template('index.html', data=Todo.query.all())

if __name__ == '__main__':
    app.run(debug=True)  

Package            Version
------------------ -------
alembic            1.3.3  
appnope            0.1.0  
astroid            2.2.5  
attrs              19.1.0 
backcall           0.1.0  
bleach             3.1.0  
Click              7.0    
decorator          4.4.0  
defusedxml         0.6.0  
entrypoints        0.3    
Flask              1.1.1  
Flask-Alembic      2.0.1  
Flask-CLI          0.4.0  
Flask-Migrate      2.5.2  
Flask-MySQLdb      0.2.0  
Flask-SQLAlchemy   2.4.1  
Flask-WTF          0.14.2 
ipykernel          5.1.2  
ipython            7.8.0  
ipython-genutils   0.2.0  
ipywidgets         7.5.1  
isort              4.3.21 
itsdangerous       1.1.0  
jedi               0.15.1 
Jinja2             2.10.1 
jsonschema         3.0.2  
jupyter            1.0.0  
jupyter-client     5.3.1  
jupyter-console    6.0.0  
jupyter-core       4.5.0  
lazy-object-proxy  1.4.2  
Mako               1.1.1  
MarkupSafe         1.1.1  
mccabe             0.6.1  
mistune            0.8.4  
mysql              0.0.2  
mysqlclient        1.4.6  
nbconvert          5.6.0  
nbformat           4.4.0  
notebook           6.0.1  
pandocfilters      1.4.2  
parso              0.5.1  
passlib            1.7.2  
pexpect            4.7.0  
pickleshare        0.7.5  
pip                20.0.2 
prometheus-client  0.7.1  
prompt-toolkit     2.0.9  
ptyprocess         0.6.0  
pygame             1.9.6  
Pygments           2.4.2  
pylint             2.3.1  
pyrsistent         0.15.4 
python-dateutil    2.8.0  
python-editor      1.0.4  
pyzmq              18.1.0 
qtconsole          4.5.4  
Send2Trash         1.5.0  
setuptools         45.1.0 
six                1.12.0 
SQLAlchemy         1.3.13 
terminado          0.8.2  
testpath           0.4.2  
tornado            6.0.3  
traitlets          4.3.2  
typed-ast          1.4.0  
uWSGI              2.0.18 
wcwidth            0.1.7  
webencodings       0.5.1  
Werkzeug           0.16.0 
wheel              0.33.1 
widgetsnbextension 3.5.1  
wrapt              1.11.2 
WTForms            2.2.1 

/Users/kurosaki/Library/Python/3.8/lib/python/site-packages/