Improve unit checking. Avoids error on construction w/ quantities tha…

…t mismatch the unit's registry

src/faebryk/libs/library/L.py

@@ -4,6 +4,7 @@
 import logging
 
 from faebryk.core.module import Module  # noqa: F401
+from faebryk.core.moduleinterface import ModuleInterface  # noqa: F401
 from faebryk.core.node import (  # noqa: F401
     InitVar,
     Node,

src/faebryk/libs/sets.py

@@ -398,14 +398,14 @@ def __init__(
         self.units = units or min_unit or max_unit
         self.range_units = base_units(self.units)
 
-        if isinstance(min, Quantity):
+        if HasUnit.check(min):
             num_min = min.to_base_units().magnitude
             if not (isinstance(num_min, float) or isinstance(num_min, int)):
                 raise ValueError("min must be a float or int quantity")
         else:
             num_min = min
 
-        if isinstance(max, Quantity):
+        if HasUnit.check(max):
             num_max = max.to_base_units().magnitude
             if not (isinstance(num_max, float) or isinstance(num_max, int)):
                 raise ValueError("max must be a float or int quantity")

src/faebryk/libs/units.py

@@ -5,7 +5,7 @@
 from typing import Any
 
 from pint import Quantity as _Quantity  # noqa: F401
-from pint import UndefinedUnitError, Unit, UnitRegistry  # noqa: F401
+from pint import UndefinedUnitError, UnitRegistry  # noqa: F401
 from pint.util import UnitsContainer as _UnitsContainer
 
 from faebryk.libs.util import cast_assert
@@ -14,6 +14,7 @@
 
 UnitsContainer = _UnitsContainer | str
 Quantity = P.Quantity
+Unit = P.Unit
 dimensionless = cast_assert(Unit, P.dimensionless)