Got a same error and this solved my error. Thanks! python 2 and python 3 differing in unicode handling is making pickled files quite incompatible to load. So Use python pickle's encoding argument. Link below helped me solve the similar problem when I was trying to open pickled data from my python 3.7, while my file was saved originally in python 2.x version. https://blog.modest-destiny.com/posts/python-2-and-3-compatible-pickle-save-and-load/ I copy the load_pickle function in my script and called the load_pickle(pickle_file) while loading my input_data like this:

input_data = load_pickle("my_dataset.pkl")

load_pickle函数在这里:

def load_pickle(pickle_file):
    try:
        with open(pickle_file, 'rb') as f:
            pickle_data = pickle.load(f)
    except UnicodeDecodeError as e:
        with open(pickle_file, 'rb') as f:
            pickle_data = pickle.load(f, encoding='latin1')
    except Exception as e:
        print('Unable to load data ', pickle_file, ':', e)
        raise
    return pickle_data

这是典型的“统一码问题”。我相信，解释这个问题已经超出了StackOverflow回答的范围，无法完全解释正在发生的事情。

这里有很好的解释。

简单地说，您已经将一个被解释为字节字符串的内容传递给了需要将其解码为Unicode字符的内容，但是默认的编解码器(ascii)失败了。

我给你们看的演示提供了避免这种情况的建议。让你的代码成为“unicode三明治”。在Python 2中，使用from __future__ import unicode_literals会有所帮助。

更新:如何修复代码:

OK - in your variable "source" you have some bytes. It is not clear from your question how they got in there - maybe you read them from a web form? In any case, they are not encoded with ascii, but python is trying to convert them to unicode assuming that they are. You need to explicitly tell it what the encoding is. This means that you need to know what the encoding is! That is not always easy, and it depends entirely on where this string came from. You could experiment with some common encodings - for example UTF-8. You tell unicode() the encoding as a second parameter:

source = unicode(source, 'utf-8')

当字符串中有一些非ASCII字符，并且我们在没有正确解码的情况下对该字符串执行任何操作时，就会发生此错误。 这帮我解决了我的问题。 我正在阅读一个列ID，文本和解码字符的CSV文件，如下所示:

train_df = pd.read_csv("Example.csv")
train_data = train_df.values
for i in train_data:
    print("ID :" + i[0])
    text = i[1].decode("utf-8",errors="ignore").strip().lower()
    print("Text: " + text)

最后我明白了:

as3:/usr/local/lib/python2.7/site-packages# cat sitecustomize.py
# encoding=utf8  
import sys  

reload(sys)  
sys.setdefaultencoding('utf8')

让我查一下:

as3:~/ngokevin-site# python
Python 2.7.6 (default, Dec  6 2013, 14:49:02)
[GCC 4.4.5] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> reload(sys)
<module 'sys' (built-in)>
>>> sys.getdefaultencoding()
'utf8'
>>>

上面显示了python的默认编码是utf8。那么错误就不再存在了。

在你的Python文件顶部指定:# encoding= utf-8，它应该可以修复这个问题

Encode将unicode对象转换为字符串对象。我认为你正在尝试编码一个字符串对象。首先将结果转换为unicode对象，然后将该unicode对象编码为'utf-8'。 例如

    result = yourFunction()
    result.decode().encode('utf-8')