Merge pull request #50 from alpacahq/fixPep8Stream2

Fix flake8 errors

alpaca_trade_api/stream2.py

@@ -31,11 +31,14 @@ async def _connect(self):
             r = r.decode('utf-8')
         msg = json.loads(r)
 
-        if not 'data' in msg or msg['data']['status'] != 'authorized':
-            raise ValueError("Invalid Alpaca API credentials, Failed to authenticate: {}".format(msg))
+        if 'data' not in msg or msg['data']['status'] != 'authorized':
+            raise ValueError(
+                ("Invalid Alpaca API credentials, Failed to authenticate: {}"
+                    .format(msg))
+            )
 
         self._ws = ws
-        await self._dispatch('authenticated', msg)
+        await self._dispatch('authorized', msg)
 
         asyncio.ensure_future(self._consume_msg())
         return ws

tests/test_stream2.py

@@ -38,21 +38,21 @@ def test_stream(websockets):
     ws.recv = AsyncMock(return_value=json.dumps({
         'stream': 'authentication',
         'data': {
-                        'status': 'authenticated',
+                        'status': 'authorized',
                         }
     }).encode())
 
     conn = StreamConn('key-id', 'secret-key')
     conn._consume_msg = AsyncMock()
 
-    @conn.on('authenticated')
+    @conn.on('authorized')
     async def on_auth(conn, stream, msg):
         on_auth.msg = msg
     _run(conn._connect())
-    assert on_auth.msg.status == 'authenticated'
+    assert on_auth.msg.status == 'authorized'
     assert conn._consume_msg.mock.called
 
-    conn.deregister('authenticated')
+    conn.deregister('authorized')
     assert len(conn._handlers) == 0
 
     with pytest.raises(ValueError):