我是 scikit-learn 的新手。我浏览了文档中给出的示例，并下载了用于识别手写数字图像的脚本。当我使脚本在笔记本电脑上运行时，出现以下错误：

Traceback (most recent call last):
   File "C:\Python34\plot_digits_classification.py", line 22, in <module>
    from sklearn import datasets, svm, metrics
    File "C:\Python34\lib\site-packages\sklearn\__init__.py", line 57, in<module>
    from .base import clone
   File "C:\Python34\lib\site-packages\sklearn\base.py", line 11, in <module>
  from .utils.fixes import signature
  File "C:\Python34\lib\site-packages\sklearn\utils\__init__.py", line 11, in <module>
   from .validation import (as_float_array,
   File "C:\Python34\lib\site-packages\sklearn\utils\validation.py", line 16, in <module>
   from ..utils.fixes import signature
  File "C:\Python34\lib\site-packages\sklearn\utils\fixes.py", line 324, in <module>
   from scipy.sparse.linalg import lsqr as sparse_lsqr
   File "C:\Python34\lib\site-packages\scipy\sparse\linalg\__init__.py", line 109, in <module>
   from .isolve import *
  File "C:\Python34\lib\site-packages\scipy\sparse\linalg\isolve\__init__.py", line 6, in <module>
  from .iterative import *
  File "C:\Python34\lib\site-packages\scipy\sparse\linalg\isolve\iterative.py", line 7, in <module>
  from . import _iterative
  ImportError: DLL load failed: The specified module could not be found.

请帮我。另外，我想知道是否要加载数据进行预测，我应该怎么做？例如，如果我想测试存储在磁盘某处的手写数字，如何准备该数据以加载并传递到该模型中进行预测？