diff --git a/src/datafile.py b/src/datafile.py
--- a/src/datafile.py
+++ b/src/datafile.py
@@ -25,5 +25,8 @@ class DataFile:
 		self._last_index = i
 		return self._f.read(byte_count)
 
+	def flush(self):
+		self._f.flush()
+
 	def close(self):
 		self._f.close()