diff --git a/google/cloud/kms_v1/services/ekm_service/async_client.py b/google/cloud/kms_v1/services/ekm_service/async_client.py
index e0f8858..9b7883f 100644
--- a/google/cloud/kms_v1/services/ekm_service/async_client.py
+++ b/google/cloud/kms_v1/services/ekm_service/async_client.py
@@ -1507,7 +1507,7 @@ async def test_iam_permissions(
         # Done; return the response.
         return response
 
-    async def __aenter__(self):
+    async def __aenter__(self) -> "EkmServiceAsyncClient":
         return self
 
     async def __aexit__(self, exc_type, exc, tb):
diff --git a/google/cloud/kms_v1/services/ekm_service/transports/rest.py b/google/cloud/kms_v1/services/ekm_service/transports/rest.py
index 79327e0..9f8897c 100644
--- a/google/cloud/kms_v1/services/ekm_service/transports/rest.py
+++ b/google/cloud/kms_v1/services/ekm_service/transports/rest.py
@@ -1557,7 +1557,7 @@ def __call__(
             request_kwargs = json_format.MessageToDict(request)
             transcoded_request = path_template.transcode(http_options, **request_kwargs)
 
-            body = json.loads(json.dumps(transcoded_request["body"]))
+            body = json.dumps(transcoded_request["body"])
             uri = transcoded_request["uri"]
             method = transcoded_request["method"]
 
@@ -1649,7 +1649,7 @@ def __call__(
             request_kwargs = json_format.MessageToDict(request)
             transcoded_request = path_template.transcode(http_options, **request_kwargs)
 
-            body = json.loads(json.dumps(transcoded_request["body"]))
+            body = json.dumps(transcoded_request["body"])
             uri = transcoded_request["uri"]
             method = transcoded_request["method"]
 
diff --git a/google/cloud/kms_v1/services/key_management_service/async_client.py b/google/cloud/kms_v1/services/key_management_service/async_client.py
index 3f6401b..cd0208d 100644
--- a/google/cloud/kms_v1/services/key_management_service/async_client.py
+++ b/google/cloud/kms_v1/services/key_management_service/async_client.py
@@ -4329,7 +4329,7 @@ async def test_iam_permissions(
         # Done; return the response.
         return response
 
-    async def __aenter__(self):
+    async def __aenter__(self) -> "KeyManagementServiceAsyncClient":
         return self
 
     async def __aexit__(self, exc_type, exc, tb):
diff --git a/google/cloud/kms_v1/services/key_management_service/transports/rest.py b/google/cloud/kms_v1/services/key_management_service/transports/rest.py
index 6b9ad35..f7ce1bf 100644
--- a/google/cloud/kms_v1/services/key_management_service/transports/rest.py
+++ b/google/cloud/kms_v1/services/key_management_service/transports/rest.py
@@ -4519,7 +4519,7 @@ def __call__(
             request_kwargs = json_format.MessageToDict(request)
             transcoded_request = path_template.transcode(http_options, **request_kwargs)
 
-            body = json.loads(json.dumps(transcoded_request["body"]))
+            body = json.dumps(transcoded_request["body"])
             uri = transcoded_request["uri"]
             method = transcoded_request["method"]
 
@@ -4611,7 +4611,7 @@ def __call__(
             request_kwargs = json_format.MessageToDict(request)
             transcoded_request = path_template.transcode(http_options, **request_kwargs)
 
-            body = json.loads(json.dumps(transcoded_request["body"]))
+            body = json.dumps(transcoded_request["body"])
             uri = transcoded_request["uri"]
             method = transcoded_request["method"]
 
diff --git a/tests/unit/gapic/kms_v1/test_ekm_service.py b/tests/unit/gapic/kms_v1/test_ekm_service.py
index b8f93dc..31b4570 100644
--- a/tests/unit/gapic/kms_v1/test_ekm_service.py
+++ b/tests/unit/gapic/kms_v1/test_ekm_service.py
@@ -1126,9 +1126,11 @@ async def test_list_ekm_connections_async_pages():
             RuntimeError,
         )
         pages = []
-        async for page_ in (
+        # Workaround issue in python 3.9 related to code coverage by adding `# pragma: no branch`
+        # See https://github.com/googleapis/gapic-generator-python/pull/1174#issuecomment-1025132372
+        async for page_ in (  # pragma: no branch
             await client.list_ekm_connections(request={})
-        ).pages:  # pragma: no branch
+        ).pages:
             pages.append(page_)
         for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
             assert page_.raw_page.next_page_token == token
diff --git a/tests/unit/gapic/kms_v1/test_key_management_service.py b/tests/unit/gapic/kms_v1/test_key_management_service.py
index a8ca290..676bc7b 100644
--- a/tests/unit/gapic/kms_v1/test_key_management_service.py
+++ b/tests/unit/gapic/kms_v1/test_key_management_service.py
@@ -1175,9 +1175,11 @@ async def test_list_key_rings_async_pages():
             RuntimeError,
         )
         pages = []
-        async for page_ in (
+        # Workaround issue in python 3.9 related to code coverage by adding `# pragma: no branch`
+        # See https://github.com/googleapis/gapic-generator-python/pull/1174#issuecomment-1025132372
+        async for page_ in (  # pragma: no branch
             await client.list_key_rings(request={})
-        ).pages:  # pragma: no branch
+        ).pages:
             pages.append(page_)
         for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
             assert page_.raw_page.next_page_token == token
@@ -1599,9 +1601,11 @@ async def test_list_crypto_keys_async_pages():
             RuntimeError,
         )
         pages = []
-        async for page_ in (
+        # Workaround issue in python 3.9 related to code coverage by adding `# pragma: no branch`
+        # See https://github.com/googleapis/gapic-generator-python/pull/1174#issuecomment-1025132372
+        async for page_ in (  # pragma: no branch
             await client.list_crypto_keys(request={})
-        ).pages:  # pragma: no branch
+        ).pages:
             pages.append(page_)
         for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
             assert page_.raw_page.next_page_token == token
@@ -2045,9 +2049,11 @@ async def test_list_crypto_key_versions_async_pages():
             RuntimeError,
         )
         pages = []
-        async for page_ in (
+        # Workaround issue in python 3.9 related to code coverage by adding `# pragma: no branch`
+        # See https://github.com/googleapis/gapic-generator-python/pull/1174#issuecomment-1025132372
+        async for page_ in (  # pragma: no branch
             await client.list_crypto_key_versions(request={})
-        ).pages:  # pragma: no branch
+        ).pages:
             pages.append(page_)
         for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
             assert page_.raw_page.next_page_token == token
@@ -2469,9 +2475,11 @@ async def test_list_import_jobs_async_pages():
             RuntimeError,
         )
         pages = []
-        async for page_ in (
+        # Workaround issue in python 3.9 related to code coverage by adding `# pragma: no branch`
+        # See https://github.com/googleapis/gapic-generator-python/pull/1174#issuecomment-1025132372
+        async for page_ in (  # pragma: no branch
             await client.list_import_jobs(request={})
-        ).pages:  # pragma: no branch
+        ).pages:
             pages.append(page_)
         for page_, token in zip(pages, ["abc", "def", "ghi", ""]):
             assert page_.raw_page.next_page_token == token
@@ -2730,7 +2738,6 @@ def test_get_crypto_key(request_type, transport: str = "grpc"):
             purpose=resources.CryptoKey.CryptoKeyPurpose.ENCRYPT_DECRYPT,
             import_only=True,
             crypto_key_backend="crypto_key_backend_value",
-            rotation_period=duration_pb2.Duration(seconds=751),
         )
         response = client.get_crypto_key(request)
 
@@ -4009,7 +4016,6 @@ def test_create_crypto_key(request_type, transport: str = "grpc"):
             purpose=resources.CryptoKey.CryptoKeyPurpose.ENCRYPT_DECRYPT,
             import_only=True,
             crypto_key_backend="crypto_key_backend_value",
-            rotation_period=duration_pb2.Duration(seconds=751),
         )
         response = client.create_crypto_key(request)
 
@@ -5080,7 +5086,6 @@ def test_update_crypto_key(request_type, transport: str = "grpc"):
             purpose=resources.CryptoKey.CryptoKeyPurpose.ENCRYPT_DECRYPT,
             import_only=True,
             crypto_key_backend="crypto_key_backend_value",
-            rotation_period=duration_pb2.Duration(seconds=751),
         )
         response = client.update_crypto_key(request)
 
@@ -5651,7 +5656,6 @@ def test_update_crypto_key_primary_version(request_type, transport: str = "grpc"
             purpose=resources.CryptoKey.CryptoKeyPurpose.ENCRYPT_DECRYPT,
             import_only=True,
             crypto_key_backend="crypto_key_backend_value",
-            rotation_period=duration_pb2.Duration(seconds=751),
         )
         response = client.update_crypto_key_primary_version(request)
 
@@ -10325,7 +10329,6 @@ def test_get_crypto_key_rest(request_type):
             purpose=resources.CryptoKey.CryptoKeyPurpose.ENCRYPT_DECRYPT,
             import_only=True,
             crypto_key_backend="crypto_key_backend_value",
-            rotation_period=duration_pb2.Duration(seconds=751),
         )
 
         # Wrap the value into a proper Response obj
@@ -11798,7 +11801,6 @@ def test_create_crypto_key_rest(request_type):
             purpose=resources.CryptoKey.CryptoKeyPurpose.ENCRYPT_DECRYPT,
             import_only=True,
             crypto_key_backend="crypto_key_backend_value",
-            rotation_period=duration_pb2.Duration(seconds=751),
         )
 
         # Wrap the value into a proper Response obj
@@ -13199,7 +13201,6 @@ def test_update_crypto_key_rest(request_type):
             purpose=resources.CryptoKey.CryptoKeyPurpose.ENCRYPT_DECRYPT,
             import_only=True,
             crypto_key_backend="crypto_key_backend_value",
-            rotation_period=duration_pb2.Duration(seconds=751),
         )
 
         # Wrap the value into a proper Response obj
@@ -13918,7 +13919,6 @@ def test_update_crypto_key_primary_version_rest(request_type):
             purpose=resources.CryptoKey.CryptoKeyPurpose.ENCRYPT_DECRYPT,
             import_only=True,
             crypto_key_backend="crypto_key_backend_value",
-            rotation_period=duration_pb2.Duration(seconds=751),
         )
 
         # Wrap the value into a proper Response obj