【发布时间】:2019-05-15 08:16:52
【问题描述】:
df = pd.read_html('https://en.wikipedia.org/wiki/List_of_S%26P_500_companies')[0][0][1:]
给我下面的错误
Traceback (most recent call last):
File "/Users/shijith/anaconda3/envs/py36/lib/python3.6/site-packages/pandas/core/indexes/base.py", line 2657, in get_loc
return self._engine.get_loc(key)
File "pandas/_libs/index.pyx", line 108, in pandas._libs.index.IndexEngine.get_loc
File "pandas/_libs/index.pyx", line 132, in pandas._libs.index.IndexEngine.get_loc
File "pandas/_libs/hashtable_class_helper.pxi", line 1601, in pandas._libs.hashtable.PyObjectHashTable.get_item
File "pandas/_libs/hashtable_class_helper.pxi", line 1608, in pandas._libs.hashtable.PyObjectHashTable.get_item
KeyError: 0
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "delete.py", line 76, in <module>
stock_Symbols = pd.read_html('https://en.wikipedia.org/wiki/List_of_S%26P_500_companies')[0][0]
File "/Users/shijith/anaconda3/envs/py36/lib/python3.6/site-packages/pandas/core/frame.py", line 2927, in __getitem__
indexer = self.columns.get_loc(key)
File "/Users/shijith/anaconda3/envs/py36/lib/python3.6/site-packages/pandas/core/indexes/base.py", line 2659, in get_loc
return self._engine.get_loc(self._maybe_cast_indexer(key))
File "pandas/_libs/index.pyx", line 108, in pandas._libs.index.IndexEngine.get_loc
File "pandas/_libs/index.pyx", line 132, in pandas._libs.index.IndexEngine.get_loc
File "pandas/_libs/hashtable_class_helper.pxi", line 1601, in pandas._libs.hashtable.PyObjectHashTable.get_item
File "pandas/_libs/hashtable_class_helper.pxi", line 1608, in pandas._libs.hashtable.PyObjectHashTable.get_item
KeyError: 0
df = pd.read_html('https://en.wikipedia.org/wiki/List_of_S%26P_500_companies')[0] 工作正常,再次尝试切片时出错。
我正在使用 anaconda 并在我的基础环境中安装了 python 3.7。但由于我必须使用 H20,我用 python 3.6 创建了一个新环境。
在基本版本中,上述代码可以正常工作。 谁能解释一下为什么会这样?
【问题讨论】:
标签: python python-3.x pandas anaconda virtualenv