Merge pull request #184 from poissoncorp/RDBC-706

RDBC-706 Convert bytearray objects to bytes just before they're passed to the requests lib in the bulk insert operation

Author: ml054

ravendb/documents/bulk_insert_operation.py

@@ -36,7 +36,7 @@ def __init__(self):
             self.output_stream_mock = Future()
 
         def enqueue_buffer_for_flush(self, buffer: bytearray):
-            self._buffers_to_flush_queue.put(buffer)
+            self._buffers_to_flush_queue.put(bytes(buffer))
 
         # todo: blocking semaphore acquired and released on enter and exit from bulk insert operation context manager
         def send_data(self):