Ruff

tests/solution/test_solution_schema.py

@@ -2,6 +2,7 @@
 from nomad.client import normalize_all, parse
 from nomad.datamodel.metainfo.basesections import PubChemPureSubstanceSection
 from nomad.units import ureg
+
 from nomad_material_processing.solution.general import (
     Solution,
     SolutionComponent,