Add a few comments

key4hep · Nov 20, 2024 · 4195c54 · 4195c54
1 parent 9f67a84
commit 4195c54
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/packages/py-pyhepmc/package.py b/packages/py-pyhepmc/package.py
@@ -28,6 +28,8 @@ class PyPyhepmc(PythonPackage):
     depends_on("hepmc3", type=("build", "run"))
     depends_on("[email protected]:", type=("build", "run"))
     depends_on("py-pybind11", type=("build", "run"))
+    # In v2.14.0 a dot command is run at import time to check which formats are supported
+    # The system dot on Alma 9 does not support any formats and importing fails so graphviz is required
     depends_on("graphviz", type="run")
 
     @run_before("install")