Minor change to force another travis build

Author: tvoinarovskyi

benchmarks/record_batch_compose.py

@@ -59,7 +59,7 @@ def func(loops, magic):
         for _ in range(MESSAGES_PER_BATCH):
             key, value, timestamp = next(precomputed_samples)
             size = batch.append(
-                timestamp=timestamp, key=key, value=value, headers=[])
+                timestamp=timestamp, key=key, value=value)
             assert size
         batch.close()
         results.append(batch.buffer())

kafka/record/memory_records.py

@@ -128,7 +128,7 @@ def __init__(self, magic, compression_type, batch_size):
         self._closed = False
         self._bytes_written = 0
 
-    def append(self, timestamp, key, value, headers):
+    def append(self, timestamp, key, value, headers=[]):
         """ Append a message to the buffer.
 
         Returns: