diff --git a/tests/python_client/deploy/scripts/first_recall_test.py b/tests/python_client/deploy/scripts/first_recall_test.py
index 91789357e8..e50afc450e 100644
--- a/tests/python_client/deploy/scripts/first_recall_test.py
+++ b/tests/python_client/deploy/scripts/first_recall_test.py
@@ -2,12 +2,14 @@ import h5py
 import numpy as np
 import time
 from pathlib import Path
+import pymilvus
 from pymilvus import (
     connections,
     FieldSchema, CollectionSchema, DataType,
     Collection
 )
 
+pymilvus_version = pymilvus.__version__
 
 def read_benchmark_hdf5(file_path):
 
@@ -58,7 +60,10 @@ def milvus_recall_test(host='127.0.0.1'):
 
     t0 = time.time()
     print(f"\nGet collection entities...")
-    collection.flush()
+    if pymilvus_version >= "2.2.0":
+        collection.flush()
+    else:
+        collection.num_entities
     print(collection.num_entities)
     t1 = time.time()
     print(f"\nGet collection entities cost {t1 - t0:.4f} seconds")
diff --git a/tests/python_client/deploy/scripts/utils.py b/tests/python_client/deploy/scripts/utils.py
index 774fe514dc..d4a318fba7 100644
--- a/tests/python_client/deploy/scripts/utils.py
+++ b/tests/python_client/deploy/scripts/utils.py
@@ -1,10 +1,13 @@
 import copy
 import time
+import pymilvus
 from pymilvus import (
     FieldSchema, CollectionSchema, DataType,
     Collection, list_collections,
 )
 
+pymilvus_version = pymilvus.__version__
+
 all_index_types = ["FLAT", "IVF_FLAT", "IVF_SQ8", "IVF_PQ", "HNSW", "ANNOY"]
 
 default_index_params = [{"nlist": 128}, {"nlist": 128}, {"nlist": 128}, {"nlist": 128, "m": 16, "nbits": 8},
@@ -55,7 +58,10 @@ def get_collections(prefix, check=False):
     # list entities if collections
     for name in col_list:
         c = Collection(name=name)
-        c.flush()
+        if pymilvus_version >= "2.2.0":
+            c.flush()
+        else:
+            c.num_entities
         num_entities = c.num_entities
         print(f"{name}: {num_entities}")
         if check:
@@ -99,6 +105,10 @@ def create_collections_and_insert_data(prefix, flush=True, count=3000, collectio
         if flush:
             print("Get collection entities")
             start_time = time.time()
+            if pymilvus_version >= "2.2.0":
+                collection.flush()
+            else:
+                collection.num_entities
             print(f"collection entities: {collection.num_entities}")
             end_time = time.time()
             print("Get collection entities time = %.4fs" % (end_time - start_time))
diff --git a/tests/python_client/deploy/testcases/test_action_first_deployment.py b/tests/python_client/deploy/testcases/test_action_first_deployment.py
index a190d04ae3..dda434d02d 100644
--- a/tests/python_client/deploy/testcases/test_action_first_deployment.py
+++ b/tests/python_client/deploy/testcases/test_action_first_deployment.py
@@ -1,4 +1,5 @@
 import pytest
+import pymilvus
 from common import common_func as cf
 from common import common_type as ct
 from common.common_type import CaseLabel, CheckTasks
@@ -8,6 +9,7 @@ from deploy.base import TestDeployBase
 from deploy.common import gen_index_param, gen_search_param
 from utils.util_log import test_log as log
 
+pymilvus_version = pymilvus.__version__
 
 default_nb = ct.default_nb
 default_nq = ct.default_nq
@@ -134,7 +136,10 @@ class TestActionFirstDeployment(TestDeployBase):
             self.init_collection_general(insert_data=True, is_binary=is_binary, nb=data_size,
                                          is_flush=False, is_index=True, name=name)
             # at this step, all segment are sealed
-            collection_w.flush()
+            if pymilvus_version >= "2.2.0":
+                collection_w.flush()
+            else:
+                collection_w.collection.num_entities
         # delete data for sealed segment and before index
         delete_expr = f"{ct.default_int64_field_name} in {[i for i in range(10,20)]}"
         if is_deleted == "is_deleted":
diff --git a/tests/python_client/deploy/testcases/test_action_second_deployment.py b/tests/python_client/deploy/testcases/test_action_second_deployment.py
index aeb1a87ff3..f4b5932dfb 100644
--- a/tests/python_client/deploy/testcases/test_action_second_deployment.py
+++ b/tests/python_client/deploy/testcases/test_action_second_deployment.py
@@ -1,4 +1,5 @@
 import pytest
+import pymilvus
 from common import common_func as cf
 from common import common_type as ct
 from common.common_type import CaseLabel, CheckTasks
@@ -23,7 +24,7 @@ binary_field_name = default_binary_vec_field_name
 default_search_exp = "int64 >= 0"
 default_term_expr = f'{ct.default_int64_field_name} in [0, 1]'
 
-
+pymilvus_version = pymilvus.__version__
 
 class TestActionSecondDeployment(TestDeployBase):
     """ Test case of action before reinstall """
@@ -121,7 +122,10 @@ class TestActionSecondDeployment(TestDeployBase):
                         check_task=check_task)
 
         # flush
-        collection_w.num_entities
+        if pymilvus_version >= "2.2.0":
+            collection_w.flush()
+        else:
+            collection_w.collection.num_entities
 
         # search and query
         if "empty" in name:
@@ -146,7 +150,10 @@ class TestActionSecondDeployment(TestDeployBase):
         for i in range(2):
             self.init_collection_general(insert_data=True, is_binary=is_binary, nb=data_size,
                                          is_flush=False, is_index=True, name=name)
-        collection_w.num_entities
+        if pymilvus_version >= "2.2.0":
+            collection_w.flush()
+        else:
+            collection_w.collection.num_entities
         
         # delete data
         delete_expr = f"{ct.default_int64_field_name} in [0,1,2,3,4,5,6,7,8,9]"