Hi Michael

Could you maybe test the NEST conda-package without Spyder?
Activate your NEST environment and try to import NEST:

    conda activate YOURNESTENVIRONMENT

    python

     >>>import NEST

If this still causes problems, you could try 'pythonw' instead of 'python'.

Best

Steffen

Am 05.06.19 um 10:02 schrieb gerlach.mi@gmx.de:
Hello Steffen,

thank you for your response. Yes, I receive a Mac OS crash report for python when I import nest, under this link you find a text file with the output of the crash report:

https://www.dropbox.com/s/3g8g4kr24d5ivha/nest%20import%20-%20python%20crash%20report.rtf?dl=0

I hope this contains any clue to solve the issue. 

Best regards,
Michael
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-- 
Steffen Graber

SimLab Neuroscience
Division HPC in Neuroscience
Jülich Supercomputing Centre
Institute for Advanced Simulation
Forschungszentrum Jülich GmbH
E-mail: s.graber@fz-juelich.de <mailto:s.graber@fz-juelich.de>
Phone:  +49 2461 61 85457 
http://www.fz-juelich.de/ias/jsc

Institute of Neuroscience and Medicine (INM-6)
Computational and Systems Neuroscience &
Institute for Advanced Simulation (IAS-6)
Theoretical Neuroscience &
JARA Institute Brain Structure-Function Relationships (INM-10)
Forschungszentrum Jülich GmbH
http://www.csn.fz-juelich.de