DNF ImportError: /lib64/libdnf.so.2: undefined symbol: solv_toolversion, version SOLV_1.0

Issue

While updating packages with the dnf command python returns an error with this traceback:

Traceback (most recent call last):
  File "/usr/lib64/python3.6/site-packages/libdnf/error.py", line 14, in swig_import_helper
    return importlib.import_module(mname)
  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 955, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 658, in _load_unlocked
  File "<frozen importlib._bootstrap>", line 571, in module_from_spec
  File "<frozen importlib._bootstrap_external>", line 922, in create_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
ImportError: /lib64/libdnf.so.2: undefined symbol: solv_toolversion, version SOLV_1.0