support pymilvus 2.0.2

README.md

@@ -24,7 +24,7 @@ import towhee
 from towhee import ops
 
 p = (
-        towhee.pipe.inputs('vec')
+        towhee.pipe.input('vec')
         .map('vec', (), ops.ann_insert.milvus_client(host='127.0.0.1', port='19530', collection_name='test_collection'))
         .output()
         )

milvus_client.py

@@ -43,7 +43,7 @@ class MilvusClient(PyOperator):
             else:
                 row.append([item])
         mr = self._collection.insert(row)
-        if mr.err_count > 0:
+        if mr.insert_count != len(row[0]):
             raise RuntimeError("Insert to milvus failed")
         return mr