This is a test install issue

[Mukulikaa]

Steps to reproduce:

libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fc555e7a000)
libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007fc555b79000)
libgfortran.so.3 => /usr/lib/x86_64-linux-gnu/libgfortran.so.3 (0x00007fc55585b000)
/lib64/ld-linux-x86-64.so.2 (0x00007fc5584ed000)
libquadmath.so.0 => /usr/lib/x86_64-linux-gnu/libquadmath.so.0 (0x00007fc55561e000)
libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007fc555408000)

Error message:

Traceback (most recent call last):
  File "/home/zanella/Test_Cases/vertical_flap/structural/run.py", line 26, in <module>
    from mbc_py_interface import mbcNodal
  File "/home/zanella/softwares/mbdyn-develop/libexec/mbpy/mbc_py_interface.py", line 33, in <module>
    from numpy import *
  File "/home/zanella/softwares/Python-3.9.0/lib/python3.9/site-packages/numpy-1.20.3-py3.9-linux-x86_64.egg/numpy/__init__.py", line 145, in <module>
    from . import core
  File "/home/zanella/softwares/Python-3.9.0/lib/python3.9/site-packages/numpy-1.20.3-py3.9-linux-x86_64.egg/numpy/core/__init__.py", line 48, in <module>
    raise ImportError(msg)
ImportError: 

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