Redefining built-in 'ConnectionError'

[sitting-cat]

Codacy detected an issue:

Message: Redefining built-in 'ConnectionError'

Occurred on:

• Commit: af2ea217ca7c47ced36be15a06da05392c90311c
• File: src/nucosen/db.py
• LineNum: 8
• Code: from requests.exceptions import ConnectionError, HTTPError

Currently on:

• Commit: 0cc456d0be39c22346e14f89377f03b8eea4e32d
• File: src/nucosen/db.py
• LineNum: 8

その他、複数のファイルにて同様の問題を修正。