PYTHON-1014 - Omit $readPreference from find command

2015-11-18 15:46:55 -08:00 · 2015-11-18 15:46:55 -08:00 · 733079b149
commit 733079b149
parent 58781f12d6
1 changed files with 2 additions and 0 deletions
--- a/pymongo/message.py
+++ b/pymongo/message.py
@ -175,6 +175,8 @@ def _gen_find_command(coll, spec, projection, skip, limit, batch_size,
                    for key, val in spec.items()])
        if '$explain' in cmd:
            cmd.pop('$explain')
+        if '$readPreference' in cmd:
+            cmd.pop('$readPreference')
    else:
        cmd['filter'] = spec