address feedback

Author: fangnx

src/confluent_kafka/_model/__init__.py

@@ -62,7 +62,7 @@ class ConsumerGroupTopicPartitions:
         List of topic partitions information.
     """
 
-    def __init__(self, group_id: str, topic_partitions: Optional[List['cimpl.TopicPartition']] = None) -> None:
+    def __init__(self, group_id: str, topic_partitions: Optional[List[TopicPartition]] = None) -> None:
         self.group_id = group_id
         self.topic_partitions = topic_partitions
 

src/confluent_kafka/_util/conversion_util.py

@@ -12,16 +12,13 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from typing import Union, Type, TypeVar
+from typing import Union, Type
 from enum import Enum
 
-# Generic type for enum conversion
-E = TypeVar('E', bound=Enum)
-
 
 class ConversionUtil:
     @staticmethod
-    def convert_to_enum(val: Union[str, int, E], enum_clazz: Type[E]) -> E:
+    def convert_to_enum(val: Union[str, int, Enum], enum_clazz: Type[Enum]) -> Enum:
         if type(enum_clazz) is not type(Enum):
             raise TypeError("'enum_clazz' must be of type Enum")
 

src/confluent_kafka/admin/_cluster.py

@@ -41,7 +41,7 @@ def __init__(self, controller: Node, nodes: List[Node], cluster_id: Optional[str
         self.cluster_id = cluster_id
         self.controller = controller
         self.nodes = nodes
-        self.authorized_operations: Optional[List[AclOperation]] = None
+        self.authorized_operations = None
         if authorized_operations:
             self.authorized_operations = []
             for op in authorized_operations: