humann2 Can not call software version for metaphlan2.py

#运行humann2时报错Can not call software version for metaphlan2.py

humann2 v2.8.1
MetaPhlAn version 2.7.5

我猜原因是humann2版本和metaphlan2不匹配
所以降低metaphlan2版本

conda install -c bioconda metaphlan2=2.6

完美解决！