Describe your environment
python = "3.6"
opentelemetry-sdk = "0.11b0"
opentelemetry-ext-jaeger = "0.11b0"

Steps to reproduce
Configure collector

jaeger_exporter = jaeger.JaegerSpanExporter(
    service_name=config.JAEGER_SERVICE_NAME,
    collector_host_name='localhost',
    collector_port=14268,
    collector_endpoint='/api/traces?format=jaeger.thrift'
)

What is the expected behavior?
Collector submit trace/span

What is the actual behavior?
Trace/span are reported twice by both Agent and Collector