I have a web application which is deployed by the means of Flask. I’m

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Asked: May 31, 20262026-05-31T22:09:35+00:00 2026-05-31T22:09:35+00:00

I have a web application which is deployed by the means of Flask. I’m

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I have a web application which is deployed by the means of Flask. I’m using the OpenLayers map which requests a stylesheet in the folder scriptdir/theme/default. I’m not so happy with my solution, so I hope someone can give me a hint to do it better:

@app.route('/theme/default/style.css')
def get_openlayers_css():
   return url_for('static', filename='jslib/theme/default/style.css')

The javascript console shows me this warning:

Resource interpreted as Stylesheet but transferred with MIME type text/html: http://localhost:5000/theme/default/style.css
   OpenLayers.Map.OpenLayers.Class.initialize                 OpenLayers.js:424
   ...

The requested stylesheet is located in /static/jslib/theme/default/style.css and the OpenLayers.js file in /static/jslib. I thought about streaming the css file, but I’m new to flask and therefore I was not able to get this working.

Thanks in advance!

Greetings