Correct write command for cli

[codecov[bot]]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (3eb7b88) 57.46% compared to head (8368d28) 57.46%.

Files	Patch %	Lines
nibe/console_scripts/cli.py	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #144 +/- ## ======================================= Coverage 57.46% 57.46% ======================================= Files 14 14 Lines 1213 1213 ======================================= Hits 697 697 Misses 516 516 ```

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