httpx_issue_979 - Linter issue corrected

Signed-off-by: Peri, Suryanarayana <[email protected]>

Author: SuryanarayanaPeri

instrumentation/opentelemetry-instrumentation-httpx/tests/test_httpx_integration.py

@@ -765,13 +765,12 @@ def test_basic_multiple(self):
         self.perform_request(self.URL, client=self.client2)
         self.assert_span(num_spans=2)
 
-    def test_no_op_tracer_provider(self):
+    async def test_no_op_tracer_provider(self):
         HTTPXClientInstrumentor().uninstrument()
         HTTPXClientInstrumentor().instrument(
             tracer_provider=trace_api.NoOpTracerProvider()
         )
-         async with httpx.AsyncClient() as client:
+        async with httpx.AsyncClient() as client:
             await client.get('http://test.com')
- 
         spans = self.memory_exporter.get_finished_spans()
         self.assertEqual(len(spans), 0)