lint fix

Author: liustve

aws-opentelemetry-distro/src/amazon/opentelemetry/distro/otlp_sigv4_exporter.py

@@ -67,7 +67,8 @@ def _export(self, serialized_data: bytes):
 
         return super()._export(serialized_data)
 
-    def _validate_exporter_endpoint(self, endpoint: str) -> Optional[str]:
+    @staticmethod
+    def _validate_exporter_endpoint(endpoint: str) -> Optional[str]:
         if not endpoint:
             return None
 
@@ -83,12 +84,11 @@ def _validate_exporter_endpoint(self, endpoint: str) -> Optional[str]:
 
             return None
 
-        else:
-            _logger.error(
-                f"Invalid XRay traces endpoint: {endpoint}."
-                "The traces endpoint follows the pattern https://xray.[AWSRegion].amazonaws.com/v1/traces. "
-                "For example, for the US West (Oregon) (us-west-2) Region, the endpoint will be "
-                "https://xray.us-west-2.amazonaws.com/v1/traces."
-            )
+        _logger.error(
+            f"Invalid XRay traces endpoint: {endpoint}."
+            "The traces endpoint follows the pattern https://xray.[AWSRegion].amazonaws.com/v1/traces. "
+            "For example, for the US West (Oregon) (us-west-2) Region, the endpoint will be "
+            "https://xray.us-west-2.amazonaws.com/v1/traces."
+        )
 
         return None

aws-opentelemetry-distro/tests/amazon/opentelemetry/distro/test_otlp_sigv4_exporter.py

@@ -264,7 +264,8 @@ def validate_exporter_extends_http_span_exporter(self, exporter, endpoint):
         )
         self.assertEqual(exporter._session.headers.get("User-Agent"), USER_AGENT)
 
-    def create_span(self, name="test_span", kind=SpanKind.INTERNAL):
+    @staticmethod
+    def create_span(name="test_span", kind=SpanKind.INTERNAL):
         span = _Span(
             name=name,
             context=SpanContext(