[Python] What is giving Azure document intelligence a TypeError?

I am using Azure Doc Intelligence to analyze PDFs. I am trying the code from here.

Code:

from azure.core.credentials import AzureKeyCredential
from azure.ai.documentintelligence import DocumentIntelligenceClient
from azure.ai.documentintelligence.models import AnalyzeOutputOption, AnalyzeResult

endpoint = os.environ["DOCUMENTINTELLIGENCE_ENDPOINT"]
key = os.environ["DOCUMENTINTELLIGENCE_API_KEY"]

document_intelligence_client = DocumentIntelligenceClient(endpoint=endpoint, credential=AzureKeyCredential(key))

with open(path_to_sample_documents, "rb") as f:
poller = document_intelligence_client.begin_analyze_document(
"prebuilt-read",
body=f,
output=[AnalyzeOutputOption.PDF],
)
result: AnalyzeResult = poller.result()
operation_id = poller.details["operation_id"]

response = document_intelligence_client.get_analyze_result_pdf(model_id=result.model_id, result_id=operation_id)
with open("analyze_result.pdf", "wb") as writer:
writer.writelines(response)


I am getting TypeError as follows,

TypeError: Session.request() got an unexpected keyword argument 'body'
​

How can I resolve it?

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