# \[Errno 21\] Is a directory: '/home/labfiskom/anaconda3/envs/am\_keras\_tf/lib/python3.7/site-packages/openmc/data/endfb71\_hdf5'

**URL:** <https://openmc.discourse.group/t/errno-21-is-a-directory-home-labfiskom-anaconda3-envs-am-keras-tf-lib-python3-7-site-packages-openmc-data-endfb71-hdf5/659>\
**Category:** User Support\
**Created:** [July 29, 2020, 4:19am UTC](https://openmc.discourse.group/t/errno-21-is-a-directory-home-labfiskom-anaconda3-envs-am-keras-tf-lib-python3-7-site-packages-openmc-data-endfb71-hdf5/659 "2020-07-29T04:19:03Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Auliyah11](https://avatars.discourse-cdn.com/v4/letter/a/ed8c4c/32.png) [@Auliyah11](https://openmc.discourse.group/u/Auliyah11)\
**Post date:** [July 29, 2020, 4:19am UTC](https://openmc.discourse.group/t/errno-21-is-a-directory-home-labfiskom-anaconda3-envs-am-keras-tf-lib-python3-7-site-packages-openmc-data-endfb71-hdf5/659/1 "2020-07-29T04:19:03Z")

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dear,  
all

does anyone know what happened with this and what should i do?

thx,  
auliyah

 ![Screenshot from 2020-07-29 11-14-40.png](https://global.discourse-cdn.com/free1/uploads/openmc/original/1X/092d08429e36d1eb2c40d8e3f419ef005e702982.png)

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<div class="post-metadata">

**Author:** ![Pranto](https://yyz2.discourse-cdn.com/free1/user_avatar/openmc.discourse.group/pranto/32/489_2.png) [@Pranto](https://openmc.discourse.group/u/Pranto)\
**Post date:** [July 29, 2020, 5:05am UTC](https://openmc.discourse.group/t/errno-21-is-a-directory-home-labfiskom-anaconda3-envs-am-keras-tf-lib-python3-7-site-packages-openmc-data-endfb71-hdf5/659/2 "2020-07-29T05:05:27Z")

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Open your bashrc file like ‘vim ~/.bashrc’ or ‘gedit ~/.bashrc’ and add the following line

export OPENMC\_CROSS\_SECTIONS=’/home/labfiskom/anaconda3/envs/am\_keras\_tf/lib/python3.7/site-packages/openmc/data/endfb71\_hdf5/cross\_sections.xml’

export OPENMC\_CROSS\_SECTIONS