Check results of command execution.
Check results of command execution.
Remove useless print.
Remove unused variable.
Remove unused variable.
Whitespace.
Check results of command execution.
Whitespace.
Whitespace.
Check results of command execution.
Check results of command execution.
Check results of command execution.
Whitespace.
Check results of command execution.
Whitespace.
Remove stray semicolon.
Check results of command execution.
Whitespace.
Remove unused variable.
Check results of command execution.