# Merkletools dependences pysha3

**URL:** <https://community.blockcerts.org/t/merkletools-dependences-pysha3/649>\
**Category:** Support\
**Created:** [December 22, 2017, 10:46am UTC](https://community.blockcerts.org/t/merkletools-dependences-pysha3/649 "2017-12-22T10:46:08Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![dannysuarez](https://sea2.discourse-cdn.com/flex016/user_avatar/community.blockcerts.org/dannysuarez/32/558_2.png) [@dannysuarez](https://community.blockcerts.org/u/dannysuarez)\
**Post date:** [May 4, 2018, 4:32pm UTC](https://community.blockcerts.org/t/merkletools-dependences-pysha3/649/3 "2018-05-04T16:32:07Z")

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Hi Guys,  
Im facing the same problem in mac os.  
Processing dependencies for cert-issuer==2.0.12  
error: pysha3 1.0.2 is installed but pysha3==1.0b1 is required by {‘merkletools’}

I´ve already run pip install cert-issuer and python setup.py 2 install but both didnt for for me.  
Regards,

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