from doctr.models import ocr_predictor
from doctr.io import DocumentFile

model = ocr_predictor(det_arch='db_resnet50', reco_arch='crnn_vgg16_bn', pretrained=True)
single_img_doc = DocumentFile.from_images("assets/images/bank_data.jpg")
result = model(single_img_doc)

# Extract all words and join them
all_words = []
for page in result.pages:
    for block in page.blocks:
        for line in block.lines:
            for word in line.words:
                all_words.append(word.value)

# Join as single line
single_line = ' '.join(all_words)
print(single_line)