remove unused imports

Author: rnpridgeon

examples/serialization/avro/avro-cli.py

@@ -15,7 +15,6 @@
 # limitations under the License.
 #
 
-import sys
 import argparse
 
 from six.moves import input
@@ -117,7 +116,7 @@ def produce(args):
 
 def consume(args):
     from confluent_kafka.avro import AvroConsumer
-    from confluent_kafka import KafkaError, TopicPartition
+    from confluent_kafka import KafkaError
     from confluent_kafka.avro.serializer import SerializerError
 
     topic = args.topic