@Override
        public void visitPyTargetExpression(@NotNull PyTargetExpression node) {
          if (parameterWasReassigned.get()) return;

          if (isReferenceToParameter(node)) {
            parameterWasReassigned.set(true);
          }
          else {
            super.visitPyTargetExpression(node);
          }
        }
@Override
        public void visitPyTargetExpression(@NotNull PyTargetExpression node)