Fix quality gate issues

GitOrigin-RevId: 47261e8c380103c4c7e98a38d346624375369995

Author: guillaume-dequenne

python-commons/src/main/java/org/sonar/plugins/python/PythonSensor.java

@@ -21,9 +21,6 @@
 import java.util.Collections;
 import java.util.List;
 import java.util.Optional;
-
-import javax.annotation.Nullable;
-
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.sonar.api.SonarProduct;