add encoding to avoid UnicodeDecodeError (#2908)

**About**
Specify encoding to avoid UnicodeDecodeError when reading .txt for users
who are following the tutorial.

**Reference**
```
    return codecs.charmap_decode(input,self.errors,decoding_table)[0]
UnicodeDecodeError: 'charmap' codec can't decode byte 0x9d in position 1205: character maps to <undefined>
```

**Environment**
OS: Win 11
Python: 3.8
This commit is contained in:
Akash NP 2023-04-15 05:06:03 +05:30 committed by GitHub
parent 392f1b3218
commit 13a0ed064b
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@ -99,7 +99,7 @@
"outputs": [],
"source": [
"from langchain.document_loaders import TextLoader\n",
"loader = TextLoader('../state_of_the_union.txt')"
"loader = TextLoader('../state_of_the_union.txt', encoding='utf8')"
]
},
{