Issues calculating significance

Report:

docker run -v /Users/pellicci/iCloud/Bicocca:/mnt/mydata --rm gitlab-registry.cern.ch/clange/combine-container:112x_fa2d85f3 "combine -M Significance /mnt/mydata/hzz4l_datacard.txt”

I get an error like this:

 <<< Combine >>> 
>>> random number generator seed is 123456
>>> method used is Significance
Traceback (most recent call last):
  File "/usr/local/venv/lib/cppyy/__init__.py", line 60, in <module>
    importlib.import_module(libcppyy_mod_name)
  File "/usr/lib64/python3.6/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 994, in _gcd_import
  File "<frozen importlib._bootstrap>", line 971, in _find_and_load
  File "<frozen importlib._bootstrap>", line 953, in _find_and_load_unlocked
ModuleNotFoundError: No module named 'libcppyy3_6'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/code/HiggsAnalysis/CombinedLimit/build/bin/text2workspace.py", line 8, in <module>
    import ROOT
  File "/usr/local/venv/lib/ROOT/__init__.py", line 22, in <module>
    import cppyy
  File "/usr/local/venv/lib/cppyy/__init__.py", line 64, in <module>
    libcppyy_mod_name, major, minor))

ImportError: Failed to import libcppyy3_6. Please check that ROOT has been built for Python 3.6