with open('tmp.csv', 'w') as tmp:
    with open('file.csv', 'r') as infile:
        for linenumber, line in enumerate(infile):
            if linenumber != 10234:
                tmp.write(line)
with open('tmp.csv', 'r') as tmp:
    with open('file.csv', 'w') as out:
        for line in tmp:
            out.write(line)
os.remove('tmp.csv')
remove known exact row in huge csv