为什么python突然不能从导入的模块运行函数？

问：

我在 python 上遇到了一些奇怪的问题，我不知道如何解决它。

对于以下代码：df = pd.DataFrame.from_dict(mydict)

我收到错误：AttributeError: module 'pandas' has no attribute 'DataFrame'

其他模块也会发生同样的情况。另一个例子：L = np.sqrt((x2-x1)**2 + (y2-y1)**2)

给出错误：AttributeError: module 'numpy' has no attribute 'sqrt'

我怀疑我可能设法搞砸了我的道路？

当我尝试打印我的sys.path时，会发生以下情况：

import sys

sys.path
Traceback (most recent call last):

  File ~\AppData\Local\anaconda3\lib\site-packages\traitlets\traitlets.py:653 in get
    value = obj._trait_values[self.name]

KeyError: 'type_printers'


During handling of the above exception, another exception occurred:

Traceback (most recent call last):

  File ~\AppData\Local\anaconda3\lib\site-packages\IPython\core\formatters.py:706 in __call__
    type_pprinters=self.type_printers,

  File ~\AppData\Local\anaconda3\lib\site-packages\traitlets\traitlets.py:700 in __get__
    return self.get(obj, cls)

  File ~\AppData\Local\anaconda3\lib\site-packages\traitlets\traitlets.py:656 in get
    default = obj.trait_defaults(self.name)

  File ~\AppData\Local\anaconda3\lib\site-packages\traitlets\traitlets.py:1868 in trait_defaults
    return self._get_trait_default_generator(names[0])(self)

  File ~\AppData\Local\anaconda3\lib\site-packages\traitlets\traitlets.py:1229 in __call__
    return self.func(*args, **kwargs)

  File ~\AppData\Local\anaconda3\lib\site-packages\IPython\core\formatters.py:686 in _type_printers_default
    d[numpy.float64] = lambda obj, p, cycle: p.text(self.float_format % obj)

AttributeError: module 'numpy' has no attribute 'float64'

有什么办法可以解决这个问题吗？