Update README

README.md

@@ -67,7 +67,7 @@ import requests
 
 from azure_monitor import AzureMonitorSpanExporter
 from opentelemetry import trace
-from opentelemetry.ext import http_requests
+from opentelemetry.ext.requests import RequestsInstrumentor
 from opentelemetry.sdk.trace import TracerProvider
 from opentelemetry.sdk.trace.export import BatchExportSpanProcessor
 
@@ -80,7 +80,7 @@ exporter = AzureMonitorSpanExporter(
 span_processor = BatchExportSpanProcessor(exporter)
 tracer_provider.add_span_processor(span_processor)
 
-http_requests.enable(tracer_provider)
+RequestsInstrumentor().instrument()
 response = requests.get(url="https://azure.microsoft.com/")
 ```
 
@@ -128,8 +128,6 @@ This example shows how to track a counter metric and send it as telemetry every
 * Alternatively, you can specify your `connection string` in an environment variable ``APPLICATIONINSIGHTS_CONNECTION_STRING``.
 
 ```python
-import time
-
 from azure_monitor import AzureMonitorMetricsExporter
 from opentelemetry import metrics
 from opentelemetry.sdk.metrics import Counter, MeterProvider
@@ -154,5 +152,5 @@ requests_counter = meter.create_metric(
 testing_labels = {"environment": "testing"}
 
 requests_counter.add(25, testing_labels)
-time.sleep(100)
+input("...")
 ```