Added flake8 error ignores for ld-seraliser
Added flake8 error ignores for ld-seraliser

EBI-Metagenomics/emgapi,EBI-Metagenomics/emgapi,EBI-Metagenomics/emgapi,EBI-Metagenomics/emgapi,EBI-Metagenomics/emgapi