Update emgapianns/management/commands/import_assembly.py
Update emgapianns/management/commands/import_assembly.py

Co-authored-by: Sandy Rogers <b69facecbf28bb5904aabb2ed012d3ed2b85a7cb@ebi.ac.uk>
EBI-Metagenomics/emgapi,EBI-Metagenomics/emgapi,EBI-Metagenomics/emgapi,EBI-Metagenomics/emgapi,EBI-Metagenomics/emgapi