Correct references.

Author: daspecster

vision/google/cloud/vision/annotations.py

@@ -131,7 +131,7 @@ def _make_entity_from_pb(annotations):
 
     :type annotations:
     :class:`~google.cloud.grpc.vision.v1.image_annotator_pb2.EntityAnnotation`
-    :param annotations: gRPC instance of ``EntityAnnotation``.
+    :param annotations: protobuf instance of ``EntityAnnotation``.
 
     :rtype: list
     :returns: List of ``EntityAnnotation``.

vision/google/cloud/vision/geometry.py

@@ -102,7 +102,7 @@ def from_api_repr(cls, location_info):
         return cls(latitude, longitude)
 
     @classmethod
-    def from_pb(cls, response):
+    def from_pb(cls, location_info):
         """Factory: construct location information from Vision gRPC response.
 
         :type response: :class:`~google.cloud.vision.v1.LocationInfo`
@@ -112,7 +112,8 @@ def from_pb(cls, response):
         :returns: ``LocationInformation`` with populated latitude and
                   longitude.
         """
-        return cls(response.lat_lng.latitude, response.lat_lng.longitude)
+        return cls(location_info.lat_lng.latitude,
+                   location_info.lat_lng.longitude)
 
     @property
     def latitude(self):