Python 3.4.3 - AttributeError: 'module' object has no attribute 'IntFlag'

I am running Flask application on Python 3.4.3 version. While executing the command:

>> python3 test.py  

I got below error:

root@imx6slevk:app# python3 test.py  Traceback (most recent call last):    File "test.py", line 6, in <module>      from flask_bootstrap import Bootstrap    File "/usr/lib/python3.4/site-packages/flask_bootstrap/__init__.py", line 9, in <module>      from wtforms.fields import HiddenField    File "/usr/lib/python3.4/site-packages/wtforms/__init__.py", line 11, in <module>      from wtforms import validators, widgets    File "/usr/lib/python3.4/site-packages/wtforms/validators.py", line 9, in <module>      import email_validator    File "/usr/lib/python3.4/site-packages/email_validator/__init__.py", line 6, in <module>      import dns.resolver    File "/usr/lib/python3.4/site-packages/dns/resolver.py", line 32, in <module>      import dns.flags    File "/usr/lib/python3.4/site-packages/dns/flags.py", line 24, in <module>      class Flag(enum.IntFlag):  AttributeError: 'module' object has no attribute 'IntFlag'  

I have also check below solution on Stackoverflow but nothing worked for me:

AttributeError: module 'enum' has no attribute 'IntFlag'

I have check enum34 is installed or not:

pip3 freeze | grep enum34  

but it is not installed.

Also by unsetting the PYTHONPATH not worked for me.

Edit:

Code inside test.py:

import json, logging, logging.handlers, time  from flask import Flask, render_template, redirect, url_for  from flask_bootstrap import Bootstrap  from flask_wtf import FlaskForm  from wtforms import StringField, SubmitField  from wtforms.validators import DataRequired      app = Flask(__name__)  Bootstrap(app)  # Flask-WTF requires an encryption key - the string can be anything  app.config['SECRET_KEY'] = '<ENCRYPTKEY>'      class NameForm(FlaskForm):          name = StringField("First Name", validators=[DataRequired()])          lname = StringField("Last Name", validators=[DataRequired()])          phone = StringField("Phone", validators=[DataRequired()])          card = StringField("Card", validators=[DataRequired()])          submit = SubmitField('Submit')      @app.route("/", methods=["GET","POST"])  def hello():      form = NameForm()      return render_template("card2.html", form=form)      if __name__ == "__main__":      app.run(host="0.0.0.0", debug=True, port=8080)  

Edit 2:

I have below packages installed:

click==7.1.2  dnspython==2.1.0  dominate==2.6.0  email-validator==1.1.2  Flask==1.1.2  Flask-Bootstrap4==4.0.2  Flask-Login==0.5.0  Flask-WTF==0.14.3  idna==3.1  itsdangerous==1.1.0  Jinja2==2.11.3  MarkupSafe==1.1.1  paho-mqtt==1.5.1  visitor==0.1.3  Werkzeug==1.0.1  WTForms==2.3.3  

Edit 3:

After downgrading WTForms to 2.2.1 the above error is solved now I am getting error for different package :

File "app/auth.py", line 4, in <module>      from Login import Login    File "/spider/web/webroot/flask/axn_web/app/Login.py", line 3, in <module>      import paho.mqtt.client as mqtt    File "/usr/lib/python3.4/site-packages/paho/mqtt/client.py", line 69, in <module>      import dns.resolver    File "/usr/lib/python3.4/site-packages/dns/resolver.py", line 32, in <module>      import dns.flags    File "/usr/lib/python3.4/site-packages/dns/flags.py", line 24, in <module>      class Flag(enum.IntFlag):  AttributeError: 'module' object has no attribute 'IntFlag'  

Kindly provide a solution to resolve this issue on Python 3.4.3 version. Thanks in advance.

https://stackoverflow.com/questions/67207091/python-3-4-3-attributeerror-module-object-has-no-attribute-intflag April 22, 2021 at 01:10PM