[Python] plotly: TypeError: cannot convert dictionary update sequence element #0 to a sequence

I have a problem with the project I'm currently working on, so I'm leaving a question.
The current contents are drawn in table format by sensor. But a few days ago, when I was working on something, I didn't know how to fix it, so I asked for help.

import plotly.plotly as py
import plotly.figure_factory as ff
from bluepy import sensortag
import sys
import time
import datetime
import numpy as np

py.sign_in("smrlswja9963","94b4enXKYqyOu4iuPDGG")

time.sleep(1.0)

tag = sensortag.SensorTag('24:71:89:CC:53:00')
tag.IRtemperature.enable()
tag.humidity.enable()

stream1=py.Stream('liz9v2c0or')
stream1.open()

i=0
while True:
now = datetime.datetime.now()
dateTime = now.strftime("%Y-%m-%d %H:%M:%S")

A = tag.IRtemperature.read()
B = tag.humidity.read()
tempt=A[0]
humty=B[0]

stream1.write({dateTime,tempt,humty})

i+=1

tag.waitForNotifications(3.0)

table = go.Table(
header=dict(values=["dateTime","tempt","humty"]),
cells=dict(values=[[dateTime],[tempt],[humty]]),
stream = dict(token='liz9v2c0or',))

data=[table]
py.iplot(table, filename="latex table")


After executing the following code, the following error occurred.

Traceback (most recent call last):
File "/home/pi/do it.py", line 27, in <module>
stream1.write({dateTime,tempt,humty})
File "/usr/local/lib/python2.7/dist-packages/plotly/plotly/plotly.py", line 632, in write
stream_object.update(trace)
TypeError: cannot convert dictionary update sequence element #0 to a sequence


In this case, the code that I draw the graph using plolty does not have a problem when receiving data from stream, but when I draw table plot.

How can I graph here? I'm really curious. Please let me know.

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