refactor(tests): Remove superfluous imports

Signed-off-by: Varsha GS <[email protected]>

Author: GSVarsha

example/asyncio/aioclient.py

@@ -1,8 +1,6 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2019
 
-from __future__ import absolute_import
-
 import aiohttp
 import asyncio
 

tests/__init__.py

@@ -1,7 +1,6 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2017
 
-from __future__ import absolute_import
 import os
 
 os.environ["INSTANA_TEST"] = "true"

tests/apps/grpc_server/stan_client.py

@@ -1,8 +1,6 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2019
 
-from __future__ import absolute_import
-
 import time
 import random
 

tests/clients/boto3/test_boto3_lambda.py

@@ -1,7 +1,6 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
 import unittest
 import json
 

tests/clients/boto3/test_boto3_s3.py

@@ -1,7 +1,6 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
 import os
 import unittest
 

tests/clients/boto3/test_boto3_secretsmanager.py

@@ -1,8 +1,6 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
-
 import os
 import boto3
 import unittest

tests/clients/boto3/test_boto3_ses.py

@@ -1,8 +1,6 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
-
 import os
 import boto3
 import unittest

tests/clients/boto3/test_boto3_sqs.py

@@ -1,8 +1,6 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
-
 import os
 import boto3
 import unittest

tests/clients/test_cassandra-driver.py

@@ -1,11 +1,8 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
-
 import os
 import time
-import pytest
 import random
 import unittest
 
@@ -31,7 +28,7 @@
                 ");")
 
 
-@pytest.mark.skipif(not os.environ.get("CASSANDRA_TEST"), reason="")
+@unittest.mark.skipif(not os.environ.get("CASSANDRA_TEST"), reason="")
 class TestCassandra(unittest.TestCase):
     def setUp(self):
         """ Clear all spans before a test run """

tests/clients/test_couchbase.py

@@ -1,11 +1,8 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
-
 import os
 import time
-import pytest
 import unittest
 
 from instana.singletons import tracer
@@ -29,7 +26,7 @@
     pass
 
 
-@pytest.mark.skipif(not os.environ.get("COUCHBASE_TEST"), reason="")
+@unittest.mark.skipif(not os.environ.get("COUCHBASE_TEST"), reason="")
 class TestStandardCouchDB(unittest.TestCase):
     def setup_class(self):
         """ Clear all spans before a test run """

tests/clients/test_google-cloud-pubsub.py

@@ -1,14 +1,9 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2021
 
-from __future__ import absolute_import
-
 import os
-import sys
 import threading
 import time
-import pytest
-
 import six
 import unittest
 

tests/clients/test_google-cloud-storage.py

@@ -1,11 +1,8 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
-
 import sys
 import unittest
-import pytest
 import json
 import requests
 import io
@@ -24,7 +21,7 @@ def setUp(self):
         self.recorder = tracer.recorder
         self.recorder.clear_spans()
 
-    @pytest.mark.skipif(sys.platform == "darwin", reason="Raises not Implemented exception in OSX")
+    @unittest.mark.skipif(sys.platform == "darwin", reason="Raises not Implemented exception in OSX")
     @patch('requests.Session.request')
     def test_buckets_list(self, mock_requests):
         mock_requests.return_value = self._mock_response(
@@ -513,7 +510,7 @@ def test_objects_insert(self, mock_requests):
         self.assertEqual('test bucket', gcs_span.data["gcs"]["bucket"])
         self.assertEqual('test object', gcs_span.data["gcs"]["object"])
 
-    @pytest.mark.skipif(sys.platform == "darwin", reason="Raises not Implemented exception in OSX")
+    @unittest.mark.skipif(sys.platform == "darwin", reason="Raises not Implemented exception in OSX")
     @patch('requests.Session.request')
     def test_objects_list(self, mock_requests):
         mock_requests.return_value = self._mock_response(
@@ -787,7 +784,7 @@ def test_object_hmac_keys_get(self, mock_requests):
         self.assertEqual('test-project', gcs_span.data["gcs"]["projectId"])
         self.assertEqual('test key', gcs_span.data["gcs"]["accessId"])
 
-    @pytest.mark.skipif(sys.platform == "darwin", reason="Raises not Implemented exception in OSX")
+    @unittest.mark.skipif(sys.platform == "darwin", reason="Raises not Implemented exception in OSX")
     @patch('requests.Session.request')
     def test_object_hmac_keys_list(self, mock_requests):
         mock_requests.return_value = self._mock_response(

tests/clients/test_logging.py

@@ -1,8 +1,6 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
-
 import logging
 import unittest
 from instana.singletons import tracer

tests/clients/test_mysqlclient.py

@@ -1,14 +1,12 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
-
-import sys
 import logging
 import unittest
+
 import MySQLdb
+
 from ..helpers import testenv
-from unittest import SkipTest
 from instana.singletons import tracer
 
 logger = logging.getLogger(__name__)

tests/clients/test_pika.py

@@ -1,14 +1,13 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2021
 
-from __future__ import absolute_import
-
-import pika
 import unittest
-import mock
 import threading
 import time
 
+import pika
+import mock
+
 from instana.singletons import tracer
 
 

tests/clients/test_psycopg2.py

@@ -1,10 +1,9 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
-
 import logging
 import unittest
+
 from ..helpers import testenv
 from instana.singletons import tracer
 

tests/clients/test_pymongo.py

@@ -1,12 +1,9 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
-
 import json
 import unittest
 import logging
-import pytest
 
 from ..helpers import testenv
 from instana.singletons import tracer
@@ -16,7 +13,7 @@
 
 logger = logging.getLogger(__name__)
 
-pymongoversion = pytest.mark.skipif(
+pymongoversion = unittest.mark.skipif(
     pymongo.version_tuple >= (4, 0), reason="map reduce is removed in pymongo 4.0"
 )
 

tests/clients/test_pymysql.py

@@ -1,12 +1,11 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
-
-import sys
 import logging
 import unittest
+
 import pymysql
+
 from ..helpers import testenv
 from instana.singletons import tracer
 

tests/clients/test_redis.py

@@ -1,13 +1,12 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
-
 import unittest
 
 import redis
-from ..helpers import testenv
 from redis.sentinel import Sentinel
+
+from ..helpers import testenv
 from instana.singletons import tracer
 
 

tests/clients/test_sqlalchemy.py

@@ -1,12 +1,11 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
-
 import unittest
 
 from ..helpers import testenv
 from instana.singletons import tracer
+
 from sqlalchemy.orm import sessionmaker
 from sqlalchemy.exc import OperationalError
 from sqlalchemy.orm import declarative_base

tests/clients/test_urllib3.py

@@ -1,7 +1,6 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
 from multiprocessing.pool import ThreadPool
 from time import sleep
 import unittest

tests/frameworks/test_aiohttp_client.py

@@ -1,8 +1,6 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
-
 import aiohttp
 import asyncio
 import unittest

tests/frameworks/test_aiohttp_server.py

@@ -1,8 +1,6 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
-
 import aiohttp
 import asyncio
 import unittest

tests/frameworks/test_asyncio.py

@@ -1,8 +1,6 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
-
 import asyncio
 import aiohttp
 import unittest

tests/frameworks/test_celery.py

@@ -1,10 +1,10 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
-
 import time
+
 from celery import shared_task
+
 from instana.singletons import tracer
 from ..helpers import get_first_span_by_filter
 

tests/frameworks/test_django.py

@@ -1,7 +1,6 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
 import os
 
 import urllib3

tests/frameworks/test_fastapi.py

@@ -1,7 +1,6 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
 import time
 import unittest
 import multiprocessing

tests/frameworks/test_flask.py

@@ -1,8 +1,6 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
-
 import sys
 import unittest
 import urllib3

tests/frameworks/test_gevent.py

@@ -1,23 +1,21 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
-
 import os
-import pytest
+import unittest
+
 import gevent
 from gevent.pool import Group
 import urllib3
-import unittest
+from opentracing.scope_managers.gevent import GeventScopeManager
 
 import tests.apps.flask_app
 from instana.span import SDKSpan
 from instana.singletons import tracer
 from ..helpers import testenv, get_spans_by_filter
-from opentracing.scope_managers.gevent import GeventScopeManager
 
 
-@pytest.mark.skipif(not os.environ.get("GEVENT_TEST"), reason="")
+@unittest.mark.skipif(not os.environ.get("GEVENT_TEST"), reason="")
 class TestGEvent(unittest.TestCase):
     def setUp(self):
         self.http = urllib3.HTTPConnectionPool('127.0.0.1', port=testenv["wsgi_port"], maxsize=20)

tests/frameworks/test_grpcio.py

@@ -1,8 +1,6 @@
 # (c) Copyright IBM Corp. 2021
 # (c) Copyright Instana Inc. 2020
 
-from __future__ import absolute_import
-
 import time
 import unittest
 import random