Traceback (most recent call last):


 "_07_flat_is_better_than_nested.py", line 2, in <module>

import ch_02_foundations._07_flat_support_file as s
ImportError: No module named ch_02_foundations._07_flat_support_file

Traceback (most recent call last):


 "<string>", line 1, in <module>


 "/software/PyOpenCL/2021.1.2-foss-2020b/lib/python3.8/site-packages/pyopencl/__init__.py", line 28, in <module>

import pyopencl.cltypes
# noqa: F401


 "/software/PyOpenCL/2021.1.2-foss-2020b/lib/python3.8/site-packages/pyopencl/cltypes.py", line 22, in <module>

from pyopencl.tools import get_or_register_dtype


 "/software/PyOpenCL/2021.1.2-foss-2020b/lib/python3.8/site-packages/pyopencl/tools.py", line 37, in <module>
from pyopencl._cl import bitlog2
# noqa: F401
ImportError: /software/PyOpenCL/2021.1.2-foss-2020b/lib/python3.8/site-packages/pyopencl/_cl.cpython-38-x86_64-linux-gnu.so: undefined symbol: clSetDefaultDeviceCommandQueue,
(at easybuild/framework/easyblock.py:2845 in _sanity_check_step)
```
