It seems, that with long pandoc-files, something happens with stdout and we get the error BlockingIOError: [Errno 11] write could not complete without blocking. To avoid this, we can just ignore stderr and stdout from the mermaid call, as they are not used in any case. After adding this parameters, the error vanishes.
It seems, that with long pandoc-files, something happens with stdout and we get the error
BlockingIOError: [Errno 11] write could not complete without blocking. To avoid this, we can just ignore stderr and stdout from the mermaid call, as they are not used in any case. After adding this parameters, the error vanishes.