Error when executing in parallel and getting an imagiary frequency

When executing in parallel a SSCHA minimization I get an error on 
SchaMinimizer.py, line 1590, in check_imaginary_frequencies

```
print("\n".join(....)
```
Redirecting to Parallel.py module, line 59, in print
```
print(*argv)
```
BlockingIOError: {Errno 11] write could not complete without blocking