Match feed_key parameters and variables in send_batch_data

Author: Rodrigo Argumedo

adafruit_io/adafruit_io.py

@@ -565,14 +565,14 @@ def send_data(self, feed_key, data, metadata=None, precision=None):
         payload = self._create_data(data, metadata)
         self._post(path, payload)
 
-    def send_batch_data(self, feed, data_list):
+    def send_batch_data(self, feed_key, data_list):
         """
         Sends a batch array of data to a specified Adafruit IO feed
         :param str feed_key: Adafruit IO feed key
         :param list Data: Data list to send
         """
-        validate_feed_key(feed)
-        path = "feeds/{0}/data/batch".format(feed)
+        validate_feed_key(feed_key)
+        path = "feeds/{0}/data/batch".format(feed_key)
         data_dict = type(data_list)((data._asdict() for data in data_list))
         self._post(path, {"data": data_dict})