我不能进口大熊猫

 C:\Users\Yash\Desktop\Python\Twitter Sentimental Analysis>python import.py
Traceback (most recent call last):
  File "C:\Users\Yash\AppData\Local\Programs\Python\Python36\lib\site-packages\pandas\__init__.py", line 26, in <module>
    from pandas._libs import (hashtable as _hashtable,
  File "C:\Users\Yash\AppData\Local\Programs\Python\Python36\lib\site-packages\pandas\_libs\__init__.py", line 4, in <module>
    from .tslib import iNaT, NaT, Timestamp, Timedelta, OutOfBoundsDatetime
ModuleNotFoundError: No module named 'pandas._libs.tslib'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "import.py", line 4, in <module>
    import pandas as pd
  File "C:\Users\Yash\AppData\Local\Programs\Python\Python36\lib\site-packages\pandas\__init__.py", line 35, in <module>
    "the C extensions first.".format(module))
ImportError: C extension: No module named 'pandas._libs.tslib' not built. If you want to import pandas from the source directory, you may need to run 'python setup.py build_ext --inplace --force' to build the C extensions first.

我尝试拧螺丝，但此错误保持不变。我已经更新了模块以及pip和python！

这是命令的完整回溯。

我目前正在使用python 3.6.6（从官方网站下载）

pip版本：在Windows 10笔记本电脑上运行的18.1 ！！