Fix some lint issues

Author: adamtheturtle

tests/test_add_target.py

@@ -5,11 +5,9 @@
 import io
 
 import pytest
-from mock_vws import MockVWS, States
-from requests import codes
+from mock_vws import MockVWS
 
 from vws import VWS
-from vws.exceptions import MetadataTooLarge, ProjectInactive
 
 
 class TestSuccess:
@@ -81,32 +79,24 @@ class TestApplicationMetadata:
     Tests for the ``application_metadata`` parameter to ``add_target``.
     """
 
-    def test_none(self, client: VWS, high_quality_image: io.BytesIO) -> None:
-        """
-        No exception is raised when ``None`` is given.
-        """
-        client.add_target(
-            name='x',
-            width=1,
-            image=high_quality_image,
-            application_metadata=None,
-        )
-
-    def test_given(
+    @pytest.mark.parametrize('application_metadata', [None, b'a'])
+    def test_valid(
         self,
         client: VWS,
         high_quality_image: io.BytesIO,
+        application_metadata: Optional[bytes],
     ) -> None:
         """
-        No exception is raised when bytes are given.
+        No exception is raised when ``None`` or bytes is given.
         """
         client.add_target(
             name='x',
             width=1,
             image=high_quality_image,
-            application_metadata=b'a',
+            application_metadata=None,
         )
 
+
 class TestActiveFlag:
     """
     Tests for the ``active_flag`` parameter to ``add_target``.

tests/test_delete_target.py

@@ -5,10 +5,9 @@
 import io
 
 import pytest
-from requests import codes
 
 from vws import VWS
-from vws.exceptions import TargetStatusProcessing, UnknownTarget
+from vws.exceptions import UnknownTarget
 
 
 class TestDelete:

tests/test_exceptions.py

@@ -15,10 +15,10 @@
     BadImage,
     Fail,
     ImageTooLarge,
-    TargetNameExist,
-    TargetStatusProcessing,
     MetadataTooLarge,
     ProjectInactive,
+    TargetNameExist,
+    TargetStatusProcessing,
     UnknownTarget,
 )
 
@@ -137,6 +137,7 @@ def test_target_name_exist(
 
     assert exc.value.response.status_code == codes.FORBIDDEN
 
+
 def test_project_inactive(client: VWS, high_quality_image: io.BytesIO) -> None:
     """
     A ``ProjectInactive`` exception is raised if adding a target to an