Python PDFMiner-读取行而不是列

我找到了一些用于提取pdf数据的代码。但从输出来看，它会逐列提取。有没有办法让pdfminer.six逐行读取数据

这是我使用的代码（只是为了可读性而对原始和删除的注释进行了轻微修改）

提前谢谢

from pdfminer.pdfparser import PDFParser
from pdfminer.pdfdocument import PDFDocument
from pdfminer.pdfpage import PDFPage
from pdfminer.pdfpage import PDFTextExtractionNotAllowed
from pdfminer.pdfinterp import PDFResourceManager
from pdfminer.pdfinterp import PDFPageInterpreter
from pdfminer.pdfdevice import PDFDevice
from pdfminer.layout import LAParams
from pdfminer.converter import PDFPageAggregator
import pdfminer


fp = open('test.pdf', 'rb')

parser = PDFParser(fp)

document = PDFDocument(parser)

if not document.is_extractable:
    raise PDFTextExtractionNotAllowed

rsrcmgr = PDFResourceManager()

device = PDFDevice(rsrcmgr)

laparams = LAParams()

device = PDFPageAggregator(rsrcmgr, laparams=laparams)

interpreter = PDFPageInterpreter(rsrcmgr, device)

def parse_obj(lt_objs):

    for obj in lt_objs:
        if isinstance(obj, pdfminer.layout.LTTextBoxHorizontal):
            print("{}".format(obj.get_text().replace("\n", "")))
        elif isinstance(obj, pdfminer.layout.LTFigure):
            parse_obj(obj._objs)

for page in PDFPage.create_pages(document):
    interpreter.process_page(page)
    layout = device.get_result()

    parse_obj(layout._objs)