fix: drop_index got multiple values for keyword argument (#2139)

Signed-off-by: yangxuan <xuan.yang@zilliz.com>

Author: XuanYang-cn

pymilvus/orm/collection.py

@@ -1476,14 +1476,13 @@ def drop_index(self, timeout: Optional[float] = None, **kwargs):
         conn = self._get_connection()
         tmp_index = conn.describe_index(self._name, index_name, timeout=timeout, **copy_kwargs)
         if tmp_index is not None:
-            index = Index(
-                collection=self,
+            conn.drop_index(
+                collection_name=self._name,
                 field_name=tmp_index["field_name"],
-                index_params=tmp_index,
-                construct_only=True,
                 index_name=index_name,
+                timeout=timeout,
+                **copy_kwargs,
             )
-            index.drop(timeout=timeout, **kwargs)
 
     def compact(self, timeout: Optional[float] = None, is_major: Optional[bool] = False, **kwargs):
         """Compact merge the small segments in a collection

pymilvus/orm/index.py

@@ -130,16 +130,12 @@ def drop(self, timeout: Optional[float] = None, **kwargs):
             timeout(float, optional): An optional duration of time in seconds to allow
                 for the RPC. When timeout is set to None, client waits until server response
                 or error occur
-            kwargs:
-                * *index_name* (``str``) --
-                  The name of index. If no index is specified, the default index name is used.
         """
-        copy_kwargs = copy.deepcopy(kwargs)
         conn = self._get_connection()
         conn.drop_index(
             collection_name=self._collection.name,
             field_name=self.field_name,
             index_name=self.index_name,
             timeout=timeout,
-            **copy_kwargs,
+            **kwargs,
         )