Avoid some implicit generic Anys (#54577)

homeassistant/exceptions.py

@@ -9,6 +9,8 @@ import attr
 if TYPE_CHECKING:
     from .core import Context
 
+# mypy: disallow-any-generics
+
 
 class HomeAssistantError(Exception):
     """General Home Assistant exception occurred."""
@@ -42,7 +44,7 @@ class ConditionError(HomeAssistantError):
         """Return indentation."""
         return "  " * indent + message
 
-    def output(self, indent: int) -> Generator:
+    def output(self, indent: int) -> Generator[str, None, None]:
         """Yield an indented representation."""
         raise NotImplementedError()
 
@@ -58,7 +60,7 @@ class ConditionErrorMessage(ConditionError):
     # A message describing this error
     message: str = attr.ib()
 
-    def output(self, indent: int) -> Generator:
+    def output(self, indent: int) -> Generator[str, None, None]:
         """Yield an indented representation."""
         yield self._indent(indent, f"In '{self.type}' condition: {self.message}")
 
@@ -74,7 +76,7 @@ class ConditionErrorIndex(ConditionError):
     # The error that this error wraps
     error: ConditionError = attr.ib()
 
-    def output(self, indent: int) -> Generator:
+    def output(self, indent: int) -> Generator[str, None, None]:
         """Yield an indented representation."""
         if self.total > 1:
             yield self._indent(
@@ -93,7 +95,7 @@ class ConditionErrorContainer(ConditionError):
     # List of ConditionErrors that this error wraps
     errors: Sequence[ConditionError] = attr.ib()
 
-    def output(self, indent: int) -> Generator:
+    def output(self, indent: int) -> Generator[str, None, None]:
         """Yield an indented representation."""
         for item in self.errors:
             yield from item.output(indent)