diff --git a/google/cloud/video/stitcher_v1/services/video_stitcher_service/async_client.py b/google/cloud/video/stitcher_v1/services/video_stitcher_service/async_client.py
index b2b64ea..0e541f9 100644
--- a/google/cloud/video/stitcher_v1/services/video_stitcher_service/async_client.py
+++ b/google/cloud/video/stitcher_v1/services/video_stitcher_service/async_client.py
@@ -3363,7 +3363,7 @@ async def cancel_operation(
             metadata=metadata,
         )
 
-    async def __aenter__(self):
+    async def __aenter__(self) -> "VideoStitcherServiceAsyncClient":
         return self
 
     async def __aexit__(self, exc_type, exc, tb):
diff --git a/samples/generated_samples/snippet_metadata_google.cloud.video.stitcher.v1.json b/samples/generated_samples/snippet_metadata_google.cloud.video.stitcher.v1.json
index ed5db8e..98e6890 100644
--- a/samples/generated_samples/snippet_metadata_google.cloud.video.stitcher.v1.json
+++ b/samples/generated_samples/snippet_metadata_google.cloud.video.stitcher.v1.json
@@ -8,7 +8,7 @@
     ],
     "language": "PYTHON",
     "name": "google-cloud-video-stitcher",
-    "version": "0.7.2"
+    "version": "0.1.0"
   },
   "snippets": [
     {
diff --git a/tests/unit/gapic/stitcher_v1/test_video_stitcher_service.py b/tests/unit/gapic/stitcher_v1/test_video_stitcher_service.py
index 1999e92..3b0fc6c 100644
--- a/tests/unit/gapic/stitcher_v1/test_video_stitcher_service.py
+++ b/tests/unit/gapic/stitcher_v1/test_video_stitcher_service.py
@@ -1402,9 +1402,11 @@ async def test_list_cdn_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_cdn_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
@@ -1433,7 +1435,6 @@ def test_get_cdn_key(request_type, transport: str = "grpc"):
         call.return_value = cdn_keys.CdnKey(
             name="name_value",
             hostname="hostname_value",
-            google_cdn_key=cdn_keys.GoogleCdnKey(private_key=b"private_key_blob"),
         )
         response = client.get_cdn_key(request)
 
@@ -3077,9 +3078,11 @@ async def test_list_vod_stitch_details_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_vod_stitch_details(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
@@ -3767,9 +3770,11 @@ async def test_list_vod_ad_tag_details_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_vod_ad_tag_details(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
@@ -4457,9 +4462,11 @@ async def test_list_live_ad_tag_details_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_live_ad_tag_details(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
@@ -5376,9 +5383,11 @@ async def test_list_slates_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_slates(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
@@ -7286,9 +7295,11 @@ async def test_list_live_configs_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_live_configs(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