Odoo won’t start after pysftp installed

The Mysteries Behind a Stalled System Post-Pysftp Installation. Discover the Fix and Get Your Business Back on Track!


  • UBUNTU 16.04
  • Odoo 9


Today I came across the situation where after installing pysftp suddenly I won’t be able to start odoo again. I have tried to do

service odoo restart
service odoo stop 
service odoo start

When I have tried to uninstall pysftp, I was having SSL_ST_INIT error

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1 root@erp:~# pip uninstall pysftp

2 Traceback (most recent call last):

3 File "/usr/bin/pip", line 9, in

4 from pip import main

5 File "/usr/lib/python2.7/dist-packages/pip/__init__.py", line 13, in

6 from pip.exceptions import InstallationError, CommandError, PipError

7 File "/usr/lib/python2.7/dist-packages/pip/exceptions.py", line 6, in

8 from pip._vendor.six import iteritems

9 File "/usr/lib/python2.7/dist-packages/pip/_vendor/__init__.py", line 64, in

10 vendored("cachecontrol")

11 File "/usr/lib/python2.7/dist-packages/pip/_vendor/__init__.py", line 36, in vendored

12 __import__(modulename, globals(), locals(), level=0)

13 File "/usr/share/python-wheels/CacheControl-0.11.5-py2.py3-none-any.whl/cachecontrol/__init__.py", line 9, in

14 File "/usr/share/python-wheels/CacheControl-0.11.5-py2.py3-none-any.whl/cachecontrol/wrapper.py", line 1, in

15 File "/usr/share/python-wheels/CacheControl-0.11.5-py2.py3-none-any.whl/cachecontrol/adapter.py", line 3, in

16 File "/usr/share/python-wheels/requests-2.9.1-py2.py3-none-any.whl/requests/__init__.py", line 53, in

17 File "/usr/share/python-wheels/urllib3-1.13.1-py2.py3-none-any.whl/urllib3/contrib/pyopenssl.py", line 54, in

18 File "/usr/lib/python2.7/dist-packages/OpenSSL/__init__.py", line 8, in

19  from OpenSSL import rand, crypto, SSL

20 File "/usr/lib/python2.7/dist-packages/OpenSSL/SSL.py", line 118, in


22 AttributeError: 'module' object has no attribute 'SSL_ST_INIT'23


Step 1: Backup existing directory on OpenSSL and pyOpenSSL from dist-packages folder.

1 cp -r /usr/lib/python2.7/dist-packages/OpenSSL /tmp/

2 cp -r /usr/lib/python2.7/dist-packages/pyOpenSSL-0.15.1.egg-info /tmp/

Step 2: Remove directory OpenSSL and pyOpenSSL from dist-packages folder and install pyopenssl module

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1# rm -rf /usr/lib/python2.7/dist-packages/OpenSSL 

# rm -rf /usr/lib/python2.7/dist-packages/pyOpenSSL-0.15.1.egg-info

# sudo pip install pyopenssl

Step 3: Start odoo service. 

Tushar C

A seasoned tech enthusiast, holds the position of CEO at Silent Infotech and serves as the CTO at SpeedBot, an algorithmic trading platform. Renowned internationally as a speaker on emerging technologies, Tushar boasts over a decade of diverse experience in the tech industry. His journey commenced as a developer in a multinational corporation, and he later co-founded Silent Infotech alongside two other members. Tushar's expertise spans a multitude of technologies, including blockchain, AI, Python, Dotnet, and cloud solutions. He leverages his extensive knowledge to deliver a broad spectrum of enterprise solutions to businesses. A true technology master, Tushar excels in managing cloud infrastructure for large-scale enterprises. To learn more about his insights and expertise, connect with him.

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