Fix some lint issues

Author: adamtheturtle

requirements.txt

@@ -1,2 +1,3 @@
 requests==2.22.0
 timeout-decorator==0.4.1
+urllib3==1.25.3

src/vws/query.py

@@ -1,4 +1,9 @@
+"""
+Tools for interacting with the Vuforia Cloud Recognition Web APIs.
+"""
+
 import io
+from typing import Any, Dict, List
 from urllib.parse import urljoin
 
 import requests
@@ -25,7 +30,7 @@ def __init__(
         self._client_access_key = client_access_key.encode()
         self._client_secret_key = client_secret_key.encode()
 
-    def query(self, image: io.BytesIO) -> str:
+    def query(self, image: io.BytesIO) -> List[Dict[str, Any]]:
         """
         Use the Vuforia Web Query API to make an Image Recognition Query.
 
@@ -73,4 +78,4 @@ def query(self, image: io.BytesIO) -> str:
             data=content,
         )
 
-        return response.json()['results']
+        return list(response.json()['results'])

tests/conftest.py

@@ -38,7 +38,8 @@ def vws_client(_mock_database: VuforiaDatabase) -> Iterator[VWS]:
 
 
 @pytest.fixture()
-def cloud_reco_client(_mock_database: VuforiaDatabase) -> Iterator[VWS]:
+def cloud_reco_client(_mock_database: VuforiaDatabase,
+                      ) -> Iterator[CloudRecoService]:
     """
     Yield a ``CloudRecoService`` client which connects to a mock database.
     """