style: remove trailing whitespace

Removed all trailing whitespace.

tests/unit/core/python/_core/test__collect_definitions.py

@@ -75,14 +75,14 @@ class Something:
     """A class."""
     def __init__(self, value: typing.Any = 42) -> None:
             self._value = value
-            
+
     @property
     def value(self) -> typing.Any:
         """
         The value.
         """
         return self.get_value()
-            
+
     def get_value(self) -> typing.Any:
         """
         Returns the value.