PYTHON-807 Avoid DeprecationWarning in GridIn.close().

ajdavis · ajdavis · commit 8e794bc8fe72 · 2014-12-21T17:08:03.000-06:00
diff --git a/gridfs/grid_file.py b/gridfs/grid_file.py
@@ -256,7 +256,7 @@ def __flush(self):
             # connection, can succeed out-of-order due to the writebackListener.
             # We mustn't call "filemd5" until all inserts are complete, which
             # we ensure by calling getLastError (and ignoring the result).
-            db.error()
+            db.command('getlasterror', read_preference=ReadPreference.PRIMARY)
 
             md5 = db.command(
                 "filemd5", self._id, root=self._coll.name,
