feat: 优化工厂模式的实现

astrai/inference/generator.py

@@ -6,7 +6,7 @@ from jinja2 import Template
 from torch import Tensor
 
 from astrai.config.param_config import ModelParameter
-from astrai.core.factory import BaseFactory
+from astrai.factory import BaseFactory
 from astrai.inference.core import EmbeddingEncoderCore, GeneratorCore, KVCacheManager
 
 HistoryType = List[Tuple[str, str]]
@@ -299,8 +299,6 @@ class GeneratorFactory(BaseFactory[GeneratorCore]):
         result = generator.generate(request)
     """
 
-    _registry: Dict[str, type] = {}
-
     @staticmethod
     def create(parameter: ModelParameter, request: GenerationRequest) -> GeneratorCore:
         """Create a generator based on request characteristics.