title: ImportError: No module named 'flask_jwt_extended' in PYTHON FLASK
body: <p>in localhost:5000 the script is running without any errors. but when it comes to symlink an error has been thrown to appache log.</p>
  
  <pre><code>[Sun Jun 10 17:07:16.170057 2018] [wsgi:error] [pid 30438] [client 120.29.113.65:32852] mod_wsgi (pid=30438): Exception occurred processing$
  [Sun Jun 10 17:07:16.170435 2018] [wsgi:error] [pid 30438] [client 120.29.113.65:32852] Traceback (most recent call last):
  [Sun Jun 10 17:07:16.170461 2018] [wsgi:error] [pid 30438] [client 120.29.113.65:32852]   File "/var/www/html/salesappserver/app.wsgi", lin$
  [Sun Jun 10 17:07:16.170465 2018] [wsgi:error] [pid 30438] [client 120.29.113.65:32852]     from api import app as application
  [Sun Jun 10 17:07:16.170471 2018] [wsgi:error] [pid 30438] [client 120.29.113.65:32852]   File "/var/www/html/salesappserver/api.py", line $
  [Sun Jun 10 17:07:16.170474 2018] [wsgi:error] [pid 30438] [client 120.29.113.65:32852]     from flask_jwt_extended import JWTManager
  [Sun Jun 10 17:07:16.170491 2018] [wsgi:error] [pid 30438] [client 120.29.113.65:32852] ImportError: No module named 'flask_jwt_extended'
  [Sun Jun 10 17:07:17.501917 2018] [wsgi:error] [pid 30439] [client 120.29.113.65:32858] mod_wsgi (pid=30439): Target WSGI script '/var/www/$
  [Sun Jun 10 17:07:17.501994 2018] [wsgi:error] [pid 30439] [client 120.29.113.65:32858] mod_wsgi (pid=30439): Exception occurred processing$
  [Sun Jun 10 17:07:17.502345 2018] [wsgi:error] [pid 30439] [client 120.29.113.65:32858] Traceback (most recent call last):
  [Sun Jun 10 17:07:17.502372 2018] [wsgi:error] [pid 30439] [client 120.29.113.65:32858]   File "/var/www/html/salesappserver/app.wsgi", lin$
  [Sun Jun 10 17:07:17.502376 2018] [wsgi:error] [pid 30439] [client 120.29.113.65:32858]     from api import app as application
  [Sun Jun 10 17:07:17.502382 2018] [wsgi:error] [pid 30439] [client 120.29.113.65:32858]   File "/var/www/html/salesappserver/api.py", line $
  [Sun Jun 10 17:07:17.502393 2018] [wsgi:error] [pid 30439] [client 120.29.113.65:32858]     from flask_jwt_extended import JWTManager
  [Sun Jun 10 17:07:17.502411 2018] [wsgi:error] [pid 30439] [client 120.29.113.65:32858] ImportError: No module named 'flask_jwt_extended'
  </code></pre>
  
  <p>this is the main problem ImportError: No module named 'flask_jwt_extended' which i already satisfied the requirement in FLASK</p>
  
  <pre><code>(salesappserver) ubuntu@ip-172-31-3-35:~$ pip install flask-jwt-extended
  Requirement already satisfied: flask-jwt-extended in ./salesappserver/lib/python3.6/site-packages (3.10.0)
  Requirement already satisfied: Flask in ./salesappserver/lib/python3.6/site-packages (from flask-jwt-extended) (1.0.2)
  Requirement already satisfied: PyJWT in ./salesappserver/lib/python3.6/site-packages (from flask-jwt-extended) (1.6.4)
  Requirement already satisfied: Werkzeug&gt;=0.14 in ./salesappserver/lib/python3.6/site-packages (from flask-jwt-extended) (0.14.1)
  Requirement already satisfied: Jinja2&gt;=2.10 in ./salesappserver/lib/python3.6/site-packages (from Flask-&gt;flask-jwt-extended) (2.10)
  Requirement already satisfied: itsdangerous&gt;=0.24 in ./salesappserver/lib/python3.6/site-packages (from Flask-&gt;flask-jwt-extended) (0.24)
  Requirement already satisfied: click&gt;=5.1 in ./salesappserver/lib/python3.6/site-packages (from Flask-&gt;flask-jwt-extended) (6.7)
  Requirement already satisfied: MarkupSafe&gt;=0.23 in ./salesappserver/lib/python3.6/site-packages (from Jinja2&gt;=2.10-&gt;Flask-&gt;flask-jwt-extended) (1.0)
  (salesappserver) ubuntu@ip-172-31-3-35:~$ 
  </code></pre>
  
  <p>Please help me. thanks in advance</p>