Fixed some lint errors in client directory using lint:fix

[sapzape]

Performed the lint:fix command. That fixes some lint errors in
client/ directory.

ISSUE=#533

[sapzape]

@romandev PTAL

[romandev]

lgtm;

I modified your commit description as follows:

• DO NOT USE I did something blah blah. If possible, it's better to use imperative mood.
• Each line should be < 72 byte.
• Need a blank line your commit description and ISSUE=#533

[romandev]

lgtm

[sapzape]

@romandev Thank you. I will note!