Either all return statements in a function should return an expression, or none of them should.

[Egor Kostan]

Codacy detected an issue:

Message: Either all return statements in a function should return an expression, or none of them should.

Occurred on:

• Commit: 02df96f
• File: kyu_5/extract_the_domain_name_from_url/extract_domain_from_url.py
• LineNum: 6
• Code: def domain_name(url: str) -> str:

Currently on:

• Commit: 02df96f
• File: kyu_5/extract_the_domain_name_from_url/extract_domain_from_url.py
• LineNum: 6