# Must be str, not NoneType

**URL:** <https://forum.ansible.com/t/must-be-str-not-nonetype/27752>\
**Category:** Ansible Project\
**Created:** [June 9, 2018, 4:07am UTC](https://forum.ansible.com/t/must-be-str-not-nonetype/27752 "2018-06-09T04:07:36Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Vino\_B](https://avatars.discourse-cdn.com/v4/letter/v/839c29/32.png) [@Vino\_B](https://forum.ansible.com/u/Vino_B)\
**Post date:** [June 9, 2018, 4:07am UTC](https://forum.ansible.com/t/must-be-str-not-nonetype/27752/1 "2018-06-09T04:07:36Z")

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Hi All,

Request your help,

**Play book: Test.yml : Call back Used : unixy**

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**Author:** ![system](https://us1.discourse-cdn.com/ansible/original/1X/1882d9a01da5d8996a862359b0913cc568a39b84.svg) [@system](https://forum.ansible.com/u/system)\
**Post date:** [June 15, 2018, 5:52pm UTC](https://forum.ansible.com/t/must-be-str-not-nonetype/27752/2 "2018-06-15T17:52:42Z")

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Open an issue at [https://github.com/ansible/ansible](https://github.com/ansible/ansible) so we can track this bug.