Fix typing

Signed-off-by: Matthijs van der Burgh <[email protected]>

launch/launch/substitutions/boolean_substitution.py

@@ -69,7 +69,7 @@ def perform(self, context: LaunchContext) -> Text:
 class LeftRightLogicalSubstitution(Substitution):
     """Substitution that returns the result of logical evaluation of the input boolean values."""
 
-    def __init__(self, func: Callable[[bool, bool], bool], left: SomeSubstitutionsType, right: SomeSubstitutionsType) -> None:
+    def __init__(self, func: Callable[[StrSomeValueType, StrSomeValueType], bool], left: SomeSubstitutionsType, right: SomeSubstitutionsType) -> None:
         """Create an LeftRightLogicalSubstitution substitution."""
         super().__init__()
 
@@ -85,7 +85,7 @@ def parse(cls, data: Sequence[SomeSubstitutionsType]):
         return cls, {'left': data[0], 'right': data[1]}
 
     @property
-    def func(self) -> Callable[[bool, bool], bool]:
+    def func(self) -> Callable[[StrSomeValueType, StrSomeValueType], bool]:
         """Getter for the logical evaluation function."""
         return self.__func