def get_first_transcript_name(fasta_file):
with open_pysam_file(fname=fasta_file, ftype='<STR_LIT>') as f:<EOL><INDENT>transcript_name = f.references[<NUM_LIT:0>]<EOL><DEDENT>return transcript_name<EOL>
Return the first FASTA sequence from the given FASTA file.

    Keyword arguments:
    fasta_file -- FASTA format file of the transcriptome