Local host refuses to connect to iframe

i am using jupyter notebook for visualization of pollution in the world via folium map which i converted into html …and i am using panels html pane to display via a iframe…but here is the issue my local host refuses to connect to iframe…my code runs perfectly on jupyter notebook

import panel as pn
html_pane = pn.pane.HTML("""
<“iframe src=“http://localhost:8889/files/pollution_map.html?_xsrf=2|861375bc|6152aa2cae693095a5b7c8329ddae1e6|1584697253” height=“900” width=“900” allow_embedding=True>
style={‘background-color’: ‘#F6F6F6’,
‘border’: ‘2px solid black’,
‘border-radius’: ‘5px’,
‘padding’: ‘10px’})