============================= test session starts ==============================
platform linux -- Python 3.10.1, pytest-6.2.5, py-1.11.0, pluggy-0.13.1 -- /usr/bin/python
cachedir: .pytest_cache
rootdir: /build/python-three-merge/src/three-merge-0.1.1
collecting ... collected 0 items / 1 error

==================================== ERRORS ====================================
_______________ ERROR collecting three_merge/tests/test_merge.py _______________
ImportError while importing test module '/build/python-three-merge/src/three-merge-0.1.1/three_merge/tests/test_merge.py'.
Hint: make sure your test modules/packages have valid Python names.
Traceback:
/usr/lib/python3.10/importlib/__init__.py:126: in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
three_merge/__init__.py:10: in <module>
    from .merge import merge
three_merge/merge.py:10: in <module>
    from diff_match_patch import diff_match_patch
E   ModuleNotFoundError: No module named 'diff_match_patch'
=========================== short test summary info ============================
ERROR three_merge/tests/test_merge.py
!!!!!!!!!!!!!!!!!!!!!!!!!! stopping after 1 failures !!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!! Interrupted: 1 error during collection !!!!!!!!!!!!!!!!!!!!
=============================== 1 error in 0.29s ===============================
==> ERROR: A failure occurred in check().
    Aborting...