diff --git a/CHANGELOG.md b/CHANGELOG.md
index 411857e0..a7bcf66e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased](https://github.com/solarwindscloud/solarwinds-apm-python/compare/rel-0.17.0...HEAD)
 
+### Added
+- Add support for `SW_APM_TRANSACTION_NAME` ([#206](https://github.com/solarwindscloud/solarwinds-apm-python/pull/206))
+
 ## [0.17.0](https://github.com/solarwindscloud/solarwinds-apm-python/releases/tag/rel-0.17.0) - 2023-09-20
 
 ### Changed
diff --git a/tests/unit/test_inbound_metrics_processor.py b/tests/unit/test_inbound_metrics_processor.py
index 41f66c45..281eb898 100644
--- a/tests/unit/test_inbound_metrics_processor.py
+++ b/tests/unit/test_inbound_metrics_processor.py
@@ -4,7 +4,6 @@
 #
 # Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
 
-import os
 import pytest  # pylint: disable=unused-import
 
 from solarwinds_apm.inbound_metrics_processor import SolarWindsInboundMetricsSpanProcessor