Dead code in test_read_preferences.
Avoid ResourceWarnings in TestPooling.
Tests detect when Mongo Orchestration has enabled test commands.
PYTHON-785 Update connection-pooling FAQ.
Update comments in select_server().
Update docstring for a test utility, SocketGetter.
Unused imports in mongo_client.
Unused imports in tests.
Long line.
Update a comment in Monitor.
Indentation style in Topology.