Why can FLASK render_template distort the formatting of an HTML file passed as a parameter?

Question

Python

Hello! While trying to get acquainted with bootstrap, I came across such a problem. When passed to render_template as a parameter of an HTML file: getbootstrap.ru/docs/3.3.7/examples/dashboard I get a "crooked" web page:

If the same file is simply opened with a browser, everything looks very decent. Maybe someone knows what the ambush is?
Thank you!

Answer 1

It would be better to see your view, because strangely, in the form as you describe, there should be no problems.
Here's what Google suggested for the query "python flask render_template plain html": one , two , three , and four .