this derivation will be built:
  /nix/store/qai410wq632k9s2x9yrb98nyq7wpf9xx-mcptoon-0.5.0.drv
error: Cannot build '/nix/store/qai410wq632k9s2x9yrb98nyq7wpf9xx-mcptoon-0.5.0.drv'.
       Reason: builder failed with exit code 2.
       Output paths:
         /nix/store/lamyhpjcbwhbj38mzb3gz7g9wznb7vrs-mcptoon-0.5.0
         /nix/store/w4yb8k159l232gp01mgh2sfizphm4sd7-mcptoon-0.5.0-dist
       Last 25 log lines:
       >            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
       > <frozen importlib._bootstrap>:1406: in _gcd_import
       >     ???
       > <frozen importlib._bootstrap>:1371: in _find_and_load
       >     ???
       > <frozen importlib._bootstrap>:1342: in _find_and_load_unlocked
       >     ???
       > <frozen importlib._bootstrap>:938: in _load_unlocked
       >     ???
       > /nix/store/5srgg0xydsxbp6bkgnkqarw4i8bh40c8-python3.14-pytest-9.1.1/lib/python3.14/site-packages/_pytest/assertion/rewrite.py:179: in exec_module
       >     source_stat, co = _rewrite_test(fn, self.config)
       >                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
       > /nix/store/5srgg0xydsxbp6bkgnkqarw4i8bh40c8-python3.14-pytest-9.1.1/lib/python3.14/site-packages/_pytest/assertion/rewrite.py:348: in _rewrite_test
       >     tree = ast.parse(source, filename=strfn)
       >            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
       > /nix/store/3n4qphl9s728sz8frmpqqrv9b1m87g68-python3-3.14.7/lib/python3.14/ast.py:46: in parse
       >     return compile(source, filename, mode, flags,
       > E     File "/build/source/tests/test_v02_features.py", line 314
       > E       def test_slim_format Renders_tools(self):
       > E                            ^^^^^^^^^^^^^
       > E   SyntaxError: expected '('
       > =========================== short test summary info ============================
       > ERROR tests/test_v02_features.py
       > !!!!!!!!!!!!!!!!!!!! Interrupted: 1 error during collection !!!!!!!!!!!!!!!!!!!!
       > =============================== 1 error in 0.41s ===============================
       For full logs, run:
         nix log /nix/store/qai410wq632k9s2x9yrb98nyq7wpf9xx-mcptoon-0.5.0.drv