fix flake8: ignore yield from syntax errors

tests/integration/aiohttp_utils.py

@@ -3,5 +3,5 @@
 
 @asyncio.coroutine
 def aiohttp_request(session, method, url, as_text, **kwargs):
-    response = yield from session.request(method, url, **kwargs)
-    return response, (yield from response.text()) if as_text else (yield from response.json())
+    response = yield from session.request(method, url, **kwargs)  # NOQA: E999
+    return response, (yield from response.text()) if as_text else (yield from response.json())  # NOQA: E999

vcr/stubs/aiohttp_stubs.py

@@ -13,7 +13,7 @@
 class MockClientResponse(ClientResponse):
     # TODO: get encoding from header
     @asyncio.coroutine
-    def json(self, *, encoding='utf-8', loads=json.loads):
+    def json(self, *, encoding='utf-8', loads=json.loads):  # NOQA: E999
         return loads(self.content.decode(encoding))
 
     @asyncio.coroutine
@@ -58,15 +58,15 @@ def new_request(self, method, url, **kwargs):
             response.close()
             return response
 
-        response = yield from real_request(self, method, url, **kwargs)
+        response = yield from real_request(self, method, url, **kwargs)  # NOQA: E999
 
         vcr_response = {
             'status': {
                 'code': response.status,
                 'message': response.reason,
             },
             'headers': dict(response.headers),
-            'body': {'string': (yield from response.text())},
+            'body': {'string': (yield from response.text())},  # NOQA: E999
             'url': response.url,
         }
         cassette.append(vcr_request, vcr_response)