fix: duplicate generate_optimizer to have a non-delayed alternative

freqtrade/optimize/hyperopt/hyperopt.py

@@ -157,7 +157,7 @@ class Hyperopt:
                 log_queue, logging.INFO if self.config["verbosity"] < 1 else logging.DEBUG
             )
 
-            return self.hyperopter.generate_optimizer(*args, **kwargs)
+            return self.hyperopter.generate_optimizer_wrapped(*args, **kwargs)
 
         # return parallel(delayed(wrap_non_picklable_objects(optimizer_wrapper))(v) for v in asked)
         return parallel(optimizer_wrapper(v) for v in asked)

freqtrade/optimize/hyperopt/hyperopt_optimizer.py

@@ -237,9 +237,7 @@ class HyperOptimizer:
             + self.max_open_trades_space
         )
 
-    def assign_params(
+    def assign_params(self, params_dict: dict[str, Any], category: str) -> None:
-        self, params_dict: dict[str, Any], category: str
-    ) -> None:
         """
         Assign hyperoptable parameters
         """
@@ -250,6 +248,9 @@ class HyperOptimizer:
 
     @delayed
     @wrap_non_picklable_objects
+    def generate_optimizer_wrapped(self, raw_params: dict[str, Any]) -> dict[str, Any]:
+        return self.generate_optimizer(raw_params)
+
     def generate_optimizer(self, raw_params: dict[str, Any]) -> dict[str, Any]:
         """
         Used Optimize function.

tests/optimize/test_hyperopt.py

@@ -605,9 +605,7 @@ def test_generate_optimizer(mocker, hyperopt_conf) -> None:
     hyperopt.hyperopter.min_date = dt_utc(2017, 12, 10)
     hyperopt.hyperopter.max_date = dt_utc(2017, 12, 13)
     hyperopt.hyperopter.init_spaces()
-    generate_optimizer_value = hyperopt.hyperopter.generate_optimizer._obj(
+    generate_optimizer_value = hyperopt.hyperopter.generate_optimizer(optimizer_param)
-        hyperopt.hyperopter, raw_params=optimizer_param
-    )
     assert generate_optimizer_value == response_expected