E0401: "Unable to import 'flask_sqlalchemy'"

error e0401 import error
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I have pip installed both Flask-SQLAlchemy and SQLAlchemy itself, and have checked that they are both up to date. However, when I try to run my python code:

from flask import Flask, request, render_template
from flask_sqlalchemy import SQLAlchemy
# from tables import Score, ScoreTable
import sqlite3 as sql

app = Flask(__name__)
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///database.db'

I continue to receive this error:

[pylint] E0401:Unable to import 'flask_sqlalchemy'

Can anyone help with this? Maybe I am missing something simple.

install flask-sqlalchemy out of the virtual environment first. $ pip install Flask-SQLAlchemy

Pylint E0401: Unable to import 'flask' · Issue #526 · gitpod-io/gitpod , I'm new to pylint and so far I have not been able to remove the E0401: Unable to import error. I know it happens because I'm using pyenv and I  E0401:Unable to import - pylint linting output #1185. bruparel opened this issue on Mar 24, 2018 · 3 comments. bruparel commented on Mar 24, 2018. Environment data. VS Code version: 1.20.0. Extension version (available under the Extensions sidebar): 2018.2.1. OS and version: macOS Sierra version 10.12.6.

I had a similar problem: sqlalchemy was not installed.

  1. Use pip list or pip freeze to list all python modules
  2. If the module is listed, I can't help you
  3. If it is not listed, use pip install SQLAlchemy (on windows)
  4. Close open the file and the error should be gone

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I had these 2 errors:

Unable to import 'flask_sqlalchemy'
Unable to import 'flask_migrate'

The problem was this line in my models.py file:

id = db.Column(db.Integer, primary_key=True)

I had a comma at end of the line and it caused me an hour of wasted time.

E0401:Unable to import 'flask', I guess VS Code doesn't use the correct virtualenv. To select a virtualenv using the GUI, see Configuring Python environments. If you use the  I have pip installed both Flask-SQLAlchemy and SQLAlchemy itself, and have checked that they are both up to date. However, when I try to run my python code: from flask import Flask, request,

I had this problem too. I had 2 different versions of python installed (3.6 and 3.7), all I did was uninstall python 3.7 and the Unable to import 'flask_sqlalchemy' error was not longer a problem.

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logilab / pylint / Pull request #256: Rename F0401 (import-error) to , Rename F0401 (import-error) to E0401 as it is not a fatal pylint error. #256 Merged at 15ddb16. Source. Repository: noamraph; Branch: rename-F0401-to-​E0401. cool, I'll check out Wing IDE. I have used Pycharm in the past and actively elect to use virtualenv. I'm a command line kinda guy, so my favorite plugins are the some of the CLI tools that VS has (the code and vim/IDI plugins). the clutter that I had in VS was due to all of my old pyenv virtual environments that i still had installed, so I went back, reinstalled pyenv, and uninstalled all

Comments
  • From where are you running this? Which environment?
  • This is a warning from pylint, because it can't determine the location of sqlalchemy. As @mad_ asks, are you running in an unusual environment (for example Google App Engine) where packages are installed in an unusual location?
  • I ran from a virtualenv (python) on my computer's terminal. Set up with "export FLASK_APP=app.py" and run with "flask run".