AttributeError: module 'sklearn.datasets' has no attribute 'fetch_mldata' code example

Example 1: AttributeError: module 'tensorflow' has no attribute 'Session'

According to TF 1:1 Symbols Map, in TF 2.0 you should use tf.compat.v1.Session() instead of tf.Session()

https://docs.google.com/spreadsheets/d/1FLFJLzg7WNP6JHODX5q8BDgptKafq_slHpnHVbJIteQ/edit#gid=0

To get TF 1.x like behaviour in TF 2.0 one can run

import tensorflow.compat.v1 as tf
tf.disable_v2_behavior()

Example 2: AttributeError: module 'jwt' has no attribute 'encode'

pip install pyjwt

Example 3: AttributeError: module 'django.contrib.auth.views' has no attribute 'login'

from django.contrib.auth import views as auth_views

urlpatterns = [
   url( r'^login/$',auth_views.LoginView.as_view(template_name="useraccounts/login.html"), name="login"),
]