kinfs

pint/delegates/txt_defparser/plain.py

@@ -235,8 +235,8 @@ def from_string_and_config(
         if not (s.startswith("[") and "=" in s):
             return None
 
-        name, value, *aliases =  (p.strip() for p in s.split("="))
-        
+        name, value, *aliases = (p.strip() for p in s.split("="))
+
         preferred_unit = None
         if aliases:
             if aliases[0] == "_":

pint/facets/plain/definitions.py

@@ -234,7 +234,7 @@ class DerivedDimensionDefinition(DimensionDefinition):
 
     #: reference dimensions.
     reference: UnitsContainer
-    # preferred unit 
+    # preferred unit
     preferred_unit: str | None = None
 
     @property

pint/facets/plain/quantity.py

@@ -76,11 +76,18 @@ def wrapped(self, *args, **kwargs):
         result = f(self, *args, **kwargs)
         print(args[0].kind, self.kind, f.__name__)
         # TODO: Implement this for div, maybe move to mul and div funcs
-        if hasattr(self, "kind") and hasattr(args[0], "kind") and f.__name__ in ["_mul_div"]:
+        if (
+            hasattr(self, "kind")
+            and hasattr(args[0], "kind")
+            and f.__name__ in ["_mul_div"]
+        ):
             result_units_container = UnitsContainer({self.kind: 1, args[0].kind: 1})
             print(args[0].kind, self.kind)
             for dim in self._REGISTRY._dimensions.values():
-                if hasattr(dim, "reference") and dim.reference == result_units_container:
+                if (
+                    hasattr(dim, "reference")
+                    and dim.reference == result_units_container
+                ):
                     return result.to_kind(dim.name)
             raise ValueError(
                 f"Cannot multiply quantities with kinds {self.kind} and {args[0].kind}"
@@ -776,7 +783,7 @@ def _add_sub(self, other, op):
             raise DimensionalityError(
                 self._units, other._units, self.dimensionality, other.dimensionality
             )
-        
+
         if hasattr(self, "kind") and hasattr(other, "kind"):
             if self.kind != other.kind:
                 # TODO: Should this be a KindError?

pint/testsuite/test_kind.py

@@ -1,16 +1,19 @@
-from pint import UnitRegistry
+from __future__ import annotations
+
 import pytest
 
-class TestKind():
+from pint import UnitRegistry
 
+
+class TestKind:
     def test_torque_energy(self):
         ureg = UnitRegistry()
         Q_ = ureg.Quantity
         moment_arm = Q_(1, "m").to_kind("[moment_arm]")
         force = Q_(1, "lbf").to_kind("[force]")
         # to_kind converts to the preferred_unit of the kind
         assert force.units == ureg.N
-        
+
         # both force and moment_arm have kind defined.
         # Torque is defined in default_en:
         # [torque] = [force] * [moment_arm]
@@ -29,4 +32,3 @@ def test_torque_energy(self):
         # Torque is not energy so cannot be added
         with pytest.raises(ValueError):
             energy + torque
-