fix typos

[billzhong]

No description provided.

[sourcery-ai]

Sourcery Code Quality Report

Merging this PR leaves code quality unchanged.

Quality metrics	Before	After	Change
Complexity	3.48 ⭐	3.48 ⭐	0.00
Method Length	31.70 ⭐	31.70 ⭐	0.00
Working memory	6.84 🙂	6.84 🙂	0.00
Quality	78.96% ⭐	78.96% ⭐	0.00%

Other metrics	Before	After	Change
Lines	337	337	0

Changed files	Quality Before	Quality After	Quality Change
shadowsocks/ciphers.py	84.10% ⭐	84.10% ⭐	0.00%
shadowsocks/ratelimit.py	88.87% ⭐	88.87% ⭐	0.00%
shadowsocks/mdb/models.py	66.18% 🙂	66.18% 🙂	0.00%

Here are some functions in these files that still need a tune-up:

File	Function	Complexity	Length	Working Memory	Quality	Recommendation
shadowsocks/mdb/models.py	User.create_or_update_by_user_data_list	10 🙂	169 😞	16 ⛔	42.32% 😞	Try splitting into smaller methods. Extract out complex expressions
shadowsocks/ciphers.py	BaseAEADCipher.decrypt	14 🙂	160 😞	7 🙂	55.28% 🙂	Try splitting into smaller methods
shadowsocks/mdb/models.py	User.find_access_user	7 ⭐	111 🙂	11 😞	58.74% 🙂	Extract out complex expressions
shadowsocks/mdb/models.py	User.record_traffic	0 ⭐	36 ⭐	10 😞	78.76% ⭐	Extract out complex expressions

Legend and Explanation

The emojis denote the absolute quality of the code:

• ⭐ excellent
• 🙂 good
• 😞 poor
• ⛔ very poor

The 👍 and 👎 indicate whether the quality has improved or gotten worse with this pull request.

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Please see our documentation here for details on how these metrics are calculated.

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Help us improve this quality report!