fix lint

Author: Alex Boten

instrumentation/opentelemetry-instrumentation-wsgi/tests/test_wsgi_middleware.py

@@ -495,8 +495,8 @@ def test_custom_request_headers_non_recording_span(self):
             )
             response = app(self.environ, self.start_response)
             self.iterate_response(response)
-        except Exception as e:
-            self.fail(f"Exception raised with NonRecordingSpan {e}")
+        except Exception as exc: # pylint: disable=W0703
+            self.fail(f"Exception raised with NonRecordingSpan {exc}")
 
     @mock.patch.dict(
         "os.environ",