output: #fixed code
                               static
  	public List<?> getArray(ClassDict dict, String name){
  		Object object = dict.get(name);
  
  		if(object instanceof HasArray){
  			HasArray hasArray = (HasArray)object;
  
  			return hasArray.getArrayContent();
  		} // End if
  
  		if(object instanceof Number){
  			return Collections.singletonList(object);
  		}
  
  		throw new IllegalArgumentException("The value of the " + ClassDictUtil.formatMember(dict, name) + " attribute (" + ClassDictUtil.formatClass(object) + ") is not a supported array type");
  	}
input: #vulnerable code 
                               static
  	public List<?> getArray(ClassDict dict, String name){
  		Object object = unwrap(dict.get(name));
  
  		if(object instanceof NDArray){
  			NDArray array = (NDArray)object;
  
  			return NDArrayUtil.getContent(array);
  		} else
  
  		if(object instanceof CSRMatrix){
  			CSRMatrix matrix = (CSRMatrix)object;
  
  			return CSRMatrixUtil.getContent(matrix);
  		} else
  
  		if(object instanceof Scalar){
  			Scalar scalar = (Scalar)object;
  
  			return scalar.getContent();
  		} // End if
  
  		if(object instanceof Number){
  			return Collections.singletonList(object);
  		}
  
  		throw new IllegalArgumentException("The value of the " + ClassDictUtil.formatMember(dict, name) + " attribute (" + ClassDictUtil.formatClass(object) + ") is not a supported array type");
  	} 
                              #location 3 
                              #vulnerability type NULL_DEREFERENCE