errors with ONT

[dinovski]

vechat no longer appears available through conda.

I managed to install from source but got the following errors with ONT reads:
vechat ONT.fastq.gz -t 8 --platform ont -o ONT.vechat.corrected.fa

[ 14%] Built target edlib
[ 42%] Built target spoa
[ 85%] Built target vechat_racon
[100%] Built target vechat_racon_exe
Performing the 1 iteration for error correction...
thread 'main' panicked at 'File is probably empty: FileTooShort', src/file.rs:30:14
note: run with RUST_BACKTRACE=1 environment variable to display a backtrace
perform variation graph based (haplotype-aware) error correction
[racon::Polisher::initialize] loaded target sequences 76.695651 s
[racon::Polisher::initialize] loaded sequences 70.578166 s
[racon::Polisher::initialize] error: empty overlap set!
Performing the 2 iteration for error correction...
thread 'main' panicked at 'File is probably empty: FileTooShort', src/file.rs:30:14
note: run with RUST_BACKTRACE=1 environment variable to display a backtrace
perform linear sequence based error correction
[racon::Polisher::initialize] error: empty target sequences set!