AVRO-2603: Context Managers to Manage Resources (#689)
AVRO-2603: Context Managers to Manage Resources (#689)

Use the Python `with` block better to ensure file descriptors and other resources get closed.
apache/avro,apache/avro,apache/avro,apache/avro,apache/avro,apache/avro,apache/avro,apache/avro,apache/avro,apache/avro,apache/avro,apache/avro