diff --git a/google/pubsub_v1/services/publisher/async_client.py b/google/pubsub_v1/services/publisher/async_client.py
index 92a10c38e..8ec273541 100644
--- a/google/pubsub_v1/services/publisher/async_client.py
+++ b/google/pubsub_v1/services/publisher/async_client.py
@@ -1585,7 +1585,7 @@ async def test_iam_permissions(
         # Done; return the response.
         return response
 
-    async def __aenter__(self):
+    async def __aenter__(self) -> "PublisherAsyncClient":
         return self
 
     async def __aexit__(self, exc_type, exc, tb):
diff --git a/google/pubsub_v1/services/publisher/transports/rest.py b/google/pubsub_v1/services/publisher/transports/rest.py
index fc31ce681..9aa5602c2 100644
--- a/google/pubsub_v1/services/publisher/transports/rest.py
+++ b/google/pubsub_v1/services/publisher/transports/rest.py
@@ -1485,7 +1485,7 @@ 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"]
 
@@ -1572,7 +1572,7 @@ 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/pubsub_v1/services/schema_service/async_client.py b/google/pubsub_v1/services/schema_service/async_client.py
index a4b8d8b18..e0151319a 100644
--- a/google/pubsub_v1/services/schema_service/async_client.py
+++ b/google/pubsub_v1/services/schema_service/async_client.py
@@ -1683,7 +1683,7 @@ async def test_iam_permissions(
         # Done; return the response.
         return response
 
-    async def __aenter__(self):
+    async def __aenter__(self) -> "SchemaServiceAsyncClient":
         return self
 
     async def __aexit__(self, exc_type, exc, tb):
diff --git a/google/pubsub_v1/services/schema_service/transports/rest.py b/google/pubsub_v1/services/schema_service/transports/rest.py
index afa08f8ed..ce617f631 100644
--- a/google/pubsub_v1/services/schema_service/transports/rest.py
+++ b/google/pubsub_v1/services/schema_service/transports/rest.py
@@ -1636,7 +1636,7 @@ 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"]
 
@@ -1723,7 +1723,7 @@ 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/pubsub_v1/services/subscriber/async_client.py b/google/pubsub_v1/services/subscriber/async_client.py
index b5fbd8e39..6bb56cdf7 100644
--- a/google/pubsub_v1/services/subscriber/async_client.py
+++ b/google/pubsub_v1/services/subscriber/async_client.py
@@ -2571,7 +2571,7 @@ async def test_iam_permissions(
         # Done; return the response.
         return response
 
-    async def __aenter__(self):
+    async def __aenter__(self) -> "SubscriberAsyncClient":
         return self
 
     async def __aexit__(self, exc_type, exc, tb):
diff --git a/google/pubsub_v1/services/subscriber/transports/rest.py b/google/pubsub_v1/services/subscriber/transports/rest.py
index 7dba1e4d4..ec0ee7d12 100644
--- a/google/pubsub_v1/services/subscriber/transports/rest.py
+++ b/google/pubsub_v1/services/subscriber/transports/rest.py
@@ -2241,7 +2241,7 @@ 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"]
 
@@ -2328,7 +2328,7 @@ 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/pubsub_v1/test_publisher.py b/tests/unit/gapic/pubsub_v1/test_publisher.py
index 12d584e49..2796d7e6f 100644
--- a/tests/unit/gapic/pubsub_v1/test_publisher.py
+++ b/tests/unit/gapic/pubsub_v1/test_publisher.py
@@ -2061,9 +2061,11 @@ async def test_list_topics_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_topics(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
@@ -2507,9 +2509,11 @@ async def test_list_topic_subscriptions_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_topic_subscriptions(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
@@ -2953,9 +2957,11 @@ async def test_list_topic_snapshots_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_topic_snapshots(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/pubsub_v1/test_schema_service.py b/tests/unit/gapic/pubsub_v1/test_schema_service.py
index 132136a38..885a6d93d 100644
--- a/tests/unit/gapic/pubsub_v1/test_schema_service.py
+++ b/tests/unit/gapic/pubsub_v1/test_schema_service.py
@@ -1626,9 +1626,11 @@ async def test_list_schemas_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_schemas(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
@@ -2068,9 +2070,11 @@ async def test_list_schema_revisions_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_schema_revisions(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/pubsub_v1/test_subscriber.py b/tests/unit/gapic/pubsub_v1/test_subscriber.py
index 0a8ebfc99..36cf87b59 100644
--- a/tests/unit/gapic/pubsub_v1/test_subscriber.py
+++ b/tests/unit/gapic/pubsub_v1/test_subscriber.py
@@ -1975,9 +1975,11 @@ async def test_list_subscriptions_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_subscriptions(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
@@ -3905,9 +3907,11 @@ async def test_list_snapshots_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_snapshots(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