Clean up unused imports

Author: akx

test/helpers/infra_helpers.py

@@ -1,6 +1,3 @@
-from upcloud_api import Tag
-
-
 def create_cluster(manager, cluster):
     """Create all servers in cluster."""
     for server in cluster:

test/test_apidoc/test_10_ip_addresses.py

@@ -1,7 +1,6 @@
 import json
 
-import responses
-from conftest import Mock, read_from_file
+from conftest import read_from_file
 
 from upcloud_api import IPAddress, Server
 

test/test_server_creation.py

@@ -1,6 +1,5 @@
 import json
 
-import pytest
 import responses
 from conftest import Mock