Switch from {} to object().

Author: daspecster

vision/unit_tests/test__http.py

@@ -35,7 +35,7 @@ def test_call_vision_request(self):
         from google.cloud.vision.feature import FeatureTypes
         from google.cloud.vision.image import Image
 
-        client = {}
+        client = object()
         image = Image(client, content=IMAGE_CONTENT)
         feature = Feature(feature_type=FeatureTypes.FACE_DETECTION,
                           max_results=3)
@@ -51,15 +51,15 @@ def test_call_vision_request(self):
     def test_call_vision_request_with_not_feature(self):
         from google.cloud.vision.image import Image
 
-        client = {}
+        client = object()
         image = Image(client, content=IMAGE_CONTENT)
         with self.assertRaises(TypeError):
             self._call_fut(image, 'nonsensefeature')
 
     def test_call_vision_request_with_list_bad_features(self):
         from google.cloud.vision.image import Image
 
-        client = {}
+        client = object()
         image = Image(client, content=IMAGE_CONTENT)
         with self.assertRaises(TypeError):
             self._call_fut(image, ['nonsensefeature'])