Fix AttributeError: ResolverMatch object has no attribute route (#581)

Author: srikanthccv

CHANGELOG.md

@@ -41,6 +41,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `opentelemetry-instrumentation-requests` Fix potential `AttributeError` when `requests`
   is used with a custom transport adapter.
   ([#562](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/562))
+- `opentelemetry-instrumentation-django` Fix AttributeError: ResolverMatch object has no attribute route
+  ([#581](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/581))
 
 ### Added
 - `opentelemetry-instrumentation-httpx` Add `httpx` instrumentation

instrumentation/opentelemetry-instrumentation-django/src/opentelemetry/instrumentation/django/middleware.py

@@ -191,9 +191,9 @@ def process_view(self, request, view_func, *args, **kwargs):
             span = request.META[self._environ_span_key]
 
             if span.is_recording():
-                match = getattr(request, "resolver_match")
+                match = getattr(request, "resolver_match", None)
                 if match:
-                    route = getattr(match, "route")
+                    route = getattr(match, "route", None)
                     if route:
                         span.set_attribute(SpanAttributes.HTTP_ROUTE, route)