fix lint format

Author: Kleyt0n

src/dynaris/core/nonlinear.py

@@ -106,9 +106,7 @@ def tree_flatten(self) -> tuple[list[Array], dict[str, object]]:
         return leaves, aux
 
     @classmethod
-    def tree_unflatten(
-        cls, aux_data: dict[str, object], children: list[Array]
-    ) -> NonlinearSSM:
+    def tree_unflatten(cls, aux_data: dict[str, object], children: list[Array]) -> NonlinearSSM:
         """Reconstruct from JAX pytree leaves."""
         return cls(
             transition_fn=aux_data["transition_fn"],  # type: ignore[arg-type]

src/dynaris/core/ssm.py

@@ -209,9 +209,7 @@ def fit(
                 **self._filter_kwargs,
             )
         elif self._filter_name == "hamilton":
-            self._filter_result = hamilton_filter(
-                self._model, obs, initial_state=initial_state
-            )
+            self._filter_result = hamilton_filter(self._model, obs, initial_state=initial_state)
 
         self._is_fitted = True
         return self