Hi Michael,

with respect to the conda-forge package, could you provide us with the exact steps you used? We currently have a pull request on Github with instructions for the following install procedure; we recommend creating a new conda environment before installation:

conda create --name ENVNAME

conda activate ENVNAME

install nest without openmpi:

conda install -c conda-forge nest-simulator  

OR

install nest with openmpi:

conda install -c conda-forge nest-simulator=*=mpi_openmpi*

Let us know if the  same problems persist.

best regards,

Jessica

On Saturday, June 1, 2019 11:55 PM, Gutch, Harold [harold.gutch@ds.mpg.de] wrote:

On Friday, May 31, 2019 11:41 PM, gerlach.mi@gmx.de [gerlach.mi@gmx.de] wrote:

Now IPython can import the nest module, but returns an error message when I try to run a basic nest example: "module 'nest' has no attribute 'Create' ".

I am not quite sure, but given that you moved stuff around manually it is possible that the Python module "nest" can no longer load (find) the library providing this symbol.  Setting LD_LIBRARY_PATH to whatever directory contains pynestkernel.so might help.

On macOS, use DYLD_LIBRARY_PATH instead.


Apologies for the confusion,
  Harold
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-- 
--------------------------
Dr. Jessica Mitchell

Institute of Neuroscience and Medicine (INM-6)
Computational and Systems Neuroscience
Jülich Research Centre
Jülich, Germany
http://www.csn.fz-juelich.de


Email: j.mitchell@fz-juelich.de
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