# Ansible Installation Issue on Linux

**URL:** <https://forum.ansible.com/t/ansible-installation-issue-on-linux/27065>\
**Category:** Ansible Project\
**Created:** [March 21, 2018, 9:57am UTC](https://forum.ansible.com/t/ansible-installation-issue-on-linux/27065 "2018-03-21T09:57:56Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![SHR](https://avatars.discourse-cdn.com/v4/letter/s/9dc877/32.png) [@SHR](https://forum.ansible.com/u/SHR)\
**Post date:** [March 21, 2018, 9:57am UTC](https://forum.ansible.com/t/ansible-installation-issue-on-linux/27065/1 "2018-03-21T09:57:56Z")

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Hi All,

M getting below error message after ansible installation. Is this error can be ignorable:

"

[root@Test0 Desktop]# ansible --version  
ERROR! Unexpected Exception, this is probably a bug: (pyasn1 0.1.6 (/usr/lib/python2.7/site-packages), Requirement.parse(‘pyasn1\>=0.1.7’))  
the full traceback was:

Traceback (most recent call last):  
File “/usr/bin/ansible”, line 85, in   
mycli = getattr( **import** (“ansible.cli.%s” % sub, fromlist=[myclass]), myclass)  
File “/usr/lib/python2.7/site-packages/ansible/cli/ **init**.py”, line 38, in   
from ansible.inventory.manager import InventoryManager  
File “/usr/lib/python2.7/site-packages/ansible/inventory/manager.py”, line 29, in   
from ansible.inventory.data import InventoryData  
File “/usr/lib/python2.7/site-packages/ansible/inventory/data.py”, line 29, in   
from ansible.plugins.cache import FactCache  
File “/usr/lib/python2.7/site-packages/ansible/plugins/cache/ **init**.py”, line 30, in   
from ansible.plugins.loader import cache\_loader  
File “/usr/lib/python2.7/site-packages/ansible/plugins/loader.py”, line 22, in   
from ansible.parsing.plugin\_docs import read\_docstring  
File “/usr/lib/python2.7/site-packages/ansible/parsing/plugin\_docs.py”, line 12, in   
from ansible.parsing.yaml.loader import AnsibleLoader  
File “/usr/lib/python2.7/site-packages/ansible/parsing/yaml/loader.py”, line 30, in   
from ansible.parsing.yaml.constructor import AnsibleConstructor  
File “/usr/lib/python2.7/site-packages/ansible/parsing/yaml/constructor.py”, line 29, in   
from ansible.parsing.vault import VaultLib  
File “/usr/lib/python2.7/site-packages/ansible/parsing/vault/ **init**.py”, line 45, in   
from cryptography.hazmat.backends import default\_backend  
File “/usr/lib64/python2.7/site-packages/cryptography/hazmat/backends/ **init**.py”, line 7, in   
import pkg\_resources  
File “/usr/lib/python2.7/site-packages/pkg\_resources.py”, line 3011, in   
parse\_requirements( **requires** ), Environment()  
File “/usr/lib/python2.7/site-packages/pkg\_resources.py”, line 630, in resolve  
raise VersionConflict(dist,req) # XXX put more info here  
VersionConflict: (pyasn1 0.1.6 (/usr/lib/python2.7/site-packages), Requirement.parse(‘pyasn1\>=0.1.7’))

"

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<div class="post-metadata">

**Author:** ![DOkuwa](https://sea1.discourse-cdn.com/ansible/user_avatar/forum.ansible.com/dokuwa/32/1471_2.png) [@DOkuwa](https://forum.ansible.com/u/DOkuwa)\
**Post date:** [March 21, 2018, 10:19am UTC](https://forum.ansible.com/t/ansible-installation-issue-on-linux/27065/2 "2018-03-21T10:19:22Z")

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hi,

I think it requires a python module  
I mean the python module is missing  
I advise please reinstall again and check if the correct python module is installed

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<div class="post-metadata">

**Author:** ![SHR](https://avatars.discourse-cdn.com/v4/letter/s/9dc877/32.png) [@SHR](https://forum.ansible.com/u/SHR)\
**Post date:** [March 21, 2018, 11:28am UTC](https://forum.ansible.com/t/ansible-installation-issue-on-linux/27065/3 "2018-03-21T11:28:00Z")

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I did installation using epel. So does that mean i have to reinstall using different epel rpm.

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<div class="post-metadata">

**Author:** ![DOkuwa](https://sea1.discourse-cdn.com/ansible/user_avatar/forum.ansible.com/dokuwa/32/1471_2.png) [@DOkuwa](https://forum.ansible.com/u/DOkuwa)\
**Post date:** [March 21, 2018, 12:30pm UTC](https://forum.ansible.com/t/ansible-installation-issue-on-linux/27065/4 "2018-03-21T12:30:15Z")

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hi,

What flavour of unix are you working on and what version

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<div class="post-metadata">

**Author:** ![SHR](https://avatars.discourse-cdn.com/v4/letter/s/9dc877/32.png) [@SHR](https://forum.ansible.com/u/SHR)\
**Post date:** [March 21, 2018, 12:47pm UTC](https://forum.ansible.com/t/ansible-installation-issue-on-linux/27065/5 "2018-03-21T12:47:54Z")

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RedHat 7

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<div class="post-metadata">

**Author:** ![DOkuwa](https://sea1.discourse-cdn.com/ansible/user_avatar/forum.ansible.com/dokuwa/32/1471_2.png) [@DOkuwa](https://forum.ansible.com/u/DOkuwa)\
**Post date:** [March 22, 2018, 10:42am UTC](https://forum.ansible.com/t/ansible-installation-issue-on-linux/27065/6 "2018-03-22T10:42:53Z")

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try yum installed | grep pip  
or yum installed | grep python