diff --git a/jobs/v3/api_client/auto_complete_sample_test.py b/jobs/v3/api_client/auto_complete_sample_test.py
index bb00b2c306bd..cec3c7513181 100755
--- a/jobs/v3/api_client/auto_complete_sample_test.py
+++ b/jobs/v3/api_client/auto_complete_sample_test.py
@@ -12,10 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import pytest
 import re
 
 import backoff
+import pytest
 
 import auto_complete_sample
 
diff --git a/jobs/v3/api_client/base_company_sample_test.py b/jobs/v3/api_client/base_company_sample_test.py
index b07c8623f7b9..42256b3dba14 100755
--- a/jobs/v3/api_client/base_company_sample_test.py
+++ b/jobs/v3/api_client/base_company_sample_test.py
@@ -11,11 +11,12 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+import re
+
+import base_company_sample
 
 
 def test_base_company_sample(capsys):
-    import base_company_sample
-    import re
 
     base_company_sample.run_sample()
     out, _ = capsys.readouterr()
diff --git a/jobs/v3/api_client/base_job_sample_test.py b/jobs/v3/api_client/base_job_sample_test.py
index 5f7d8bb1d178..ea384e40e9e7 100755
--- a/jobs/v3/api_client/base_job_sample_test.py
+++ b/jobs/v3/api_client/base_job_sample_test.py
@@ -12,10 +12,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import re
+
+import base_job_sample
+
 
 def test_base_job_sample(capsys):
-    import base_job_sample
-    import re
 
     base_job_sample.run_sample()
     out, _ = capsys.readouterr()
diff --git a/jobs/v3/api_client/batch_operation_sample_test.py b/jobs/v3/api_client/batch_operation_sample_test.py
index 7628c759cbef..642d91f7e544 100755
--- a/jobs/v3/api_client/batch_operation_sample_test.py
+++ b/jobs/v3/api_client/batch_operation_sample_test.py
@@ -11,11 +11,12 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
+import re
+
+import batch_operation_sample
 
 
 def test_batch_operation_sample(capsys):
-    import batch_operation_sample
-    import re
 
     batch_operation_sample.run_sample()
     out, _ = capsys.readouterr()
diff --git a/jobs/v3/api_client/commute_search_sample_test.py b/jobs/v3/api_client/commute_search_sample_test.py
index ff94a1361c4f..e5803a8fa14f 100755
--- a/jobs/v3/api_client/commute_search_sample_test.py
+++ b/jobs/v3/api_client/commute_search_sample_test.py
@@ -12,10 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import pytest
 import re
 
 import backoff
+import pytest
 
 import commute_search_sample
 
diff --git a/jobs/v3/api_client/custom_attribute_sample_test.py b/jobs/v3/api_client/custom_attribute_sample_test.py
index 327c4396ef14..868c718ce136 100755
--- a/jobs/v3/api_client/custom_attribute_sample_test.py
+++ b/jobs/v3/api_client/custom_attribute_sample_test.py
@@ -11,11 +11,10 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
-import pytest
 import re
 
 import backoff
+import pytest
 
 import custom_attribute_sample
 
diff --git a/jobs/v3/api_client/email_alert_search_sample_test.py b/jobs/v3/api_client/email_alert_search_sample_test.py
index 8057b9a937a0..c12b4e061c1a 100755
--- a/jobs/v3/api_client/email_alert_search_sample_test.py
+++ b/jobs/v3/api_client/email_alert_search_sample_test.py
@@ -11,11 +11,10 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
-import pytest
 import re
 
 import backoff
+import pytest
 
 import email_alert_search_sample
 
diff --git a/jobs/v3/api_client/featured_job_search_sample_test.py b/jobs/v3/api_client/featured_job_search_sample_test.py
index bb77a03c7237..0491346c36b5 100755
--- a/jobs/v3/api_client/featured_job_search_sample_test.py
+++ b/jobs/v3/api_client/featured_job_search_sample_test.py
@@ -11,11 +11,10 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
-import pytest
 import re
 
 import backoff
+import pytest
 
 import featured_job_search_sample
 
diff --git a/jobs/v3/api_client/general_search_sample_test.py b/jobs/v3/api_client/general_search_sample_test.py
index 0b9f16708e02..4d5e8442644f 100755
--- a/jobs/v3/api_client/general_search_sample_test.py
+++ b/jobs/v3/api_client/general_search_sample_test.py
@@ -12,10 +12,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import pytest
 import re
 
 import backoff
+import pytest
 
 import general_search_sample
 
diff --git a/jobs/v3/api_client/histogram_sample_test.py b/jobs/v3/api_client/histogram_sample_test.py
index dece94e26d98..3fb2ea63a848 100755
--- a/jobs/v3/api_client/histogram_sample_test.py
+++ b/jobs/v3/api_client/histogram_sample_test.py
@@ -11,11 +11,10 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
-import pytest
 import re
 
 import backoff
+import pytest
 
 import histogram_sample
 
diff --git a/jobs/v3/api_client/location_search_sample_test.py b/jobs/v3/api_client/location_search_sample_test.py
index 379c65dc4de3..6284dd9a2b2e 100755
--- a/jobs/v3/api_client/location_search_sample_test.py
+++ b/jobs/v3/api_client/location_search_sample_test.py
@@ -11,11 +11,10 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
-import pytest
 import re
 
 import backoff
+import pytest
 
 import location_search_sample
 
diff --git a/jobs/v3/api_client/quickstart_test.py b/jobs/v3/api_client/quickstart_test.py
index 4442255038a8..6f2e4c50e095 100644
--- a/jobs/v3/api_client/quickstart_test.py
+++ b/jobs/v3/api_client/quickstart_test.py
@@ -14,10 +14,11 @@
 
 import pytest
 
+import quickstart
+
 
 @pytest.mark.flaky
 def test_quickstart(capsys):
-    import quickstart
 
     quickstart.run_sample()
     out, _ = capsys.readouterr()
diff --git a/kms/api-client/snippets_test.py b/kms/api-client/snippets_test.py
index c75b872c4121..795edeb47370 100644
--- a/kms/api-client/snippets_test.py
+++ b/kms/api-client/snippets_test.py
@@ -16,6 +16,12 @@
 import time
 import uuid
 
+from cryptography.exceptions import InvalidSignature
+from cryptography.hazmat.backends import default_backend
+from cryptography.hazmat.primitives import hashes, serialization
+from cryptography.hazmat.primitives.asymmetric import padding, utils
+from google.cloud import kms
+from google.cloud.kms_v1.proto import resources_pb2
 import pytest
 
 from create_key_asymmetric_decrypt import create_key_asymmetric_decrypt
@@ -50,14 +56,6 @@
 from verify_asymmetric_ec import verify_asymmetric_ec
 from verify_asymmetric_rsa import verify_asymmetric_rsa
 
-from cryptography.exceptions import InvalidSignature
-from cryptography.hazmat.backends import default_backend
-from cryptography.hazmat.primitives import hashes, serialization
-from cryptography.hazmat.primitives.asymmetric import padding, utils
-
-from google.cloud import kms
-from google.cloud.kms_v1.proto import resources_pb2
-
 
 @pytest.fixture(scope="module")
 def client():
diff --git a/monitoring/api/v3/api-client/custom_metric_test.py b/monitoring/api/v3/api-client/custom_metric_test.py
index 36c0725132ff..1a80408c4adf 100644
--- a/monitoring/api/v3/api-client/custom_metric_test.py
+++ b/monitoring/api/v3/api-client/custom_metric_test.py
@@ -27,8 +27,8 @@
 
 import backoff
 import googleapiclient.discovery
-import pytest
 from googleapiclient.errors import HttpError
+import pytest
 
 from custom_metric import create_custom_metric
 from custom_metric import delete_metric_descriptor
diff --git a/monitoring/api/v3/cloud-client/snippets_test.py b/monitoring/api/v3/cloud-client/snippets_test.py
index 117026959e3e..18bb7bf58209 100644
--- a/monitoring/api/v3/cloud-client/snippets_test.py
+++ b/monitoring/api/v3/cloud-client/snippets_test.py
@@ -14,10 +14,10 @@
 
 import os
 import re
-import pytest
 
 import backoff
 from google.api_core.exceptions import NotFound
+import pytest
 
 import snippets
 
diff --git a/pubsub/cloud-client/quickstart/pub_test.py b/pubsub/cloud-client/quickstart/pub_test.py
index b9a6f807f37d..24010c76e830 100644
--- a/pubsub/cloud-client/quickstart/pub_test.py
+++ b/pubsub/cloud-client/quickstart/pub_test.py
@@ -15,13 +15,14 @@
 # limitations under the License.
 
 import os
-import pytest
 import uuid
 
 from google.api_core.exceptions import AlreadyExists
 from google.cloud import pubsub_v1
+import pytest
+
+import pub  # noqa
 
-import pub
 
 UUID = uuid.uuid4().hex
 PROJECT = os.environ["GCLOUD_PROJECT"]
diff --git a/pubsub/cloud-client/quickstart/sub_test.py b/pubsub/cloud-client/quickstart/sub_test.py
index 1b59a3d043ac..2754dc56b5e5 100644
--- a/pubsub/cloud-client/quickstart/sub_test.py
+++ b/pubsub/cloud-client/quickstart/sub_test.py
@@ -13,16 +13,15 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
-import mock
 import os
-import pytest
 import uuid
 
 from google.api_core.exceptions import AlreadyExists
 from google.cloud import pubsub_v1
+import mock
+import pytest
 
-import sub
+import sub  # noqa
 
 
 UUID = uuid.uuid4().hex
diff --git a/run/hello-broken/main.py b/run/hello-broken/main.py
index b1fa073f4465..14dbb9073a37 100644
--- a/run/hello-broken/main.py
+++ b/run/hello-broken/main.py
@@ -13,11 +13,13 @@
 # limitations under the License.
 
 # [START run_broken_service]
-from flask import Flask
 import json
 import os
 import sys
 
+from flask import Flask
+
+
 app = Flask(__name__)
 
 
diff --git a/run/hello-broken/main_test.py b/run/hello-broken/main_test.py
index d775992783f6..9649aaf0d0cb 100644
--- a/run/hello-broken/main_test.py
+++ b/run/hello-broken/main_test.py
@@ -13,7 +13,9 @@
 # limitations under the License.
 
 import os
+
 import pytest
+
 import main