django does not open html file properly

Hi guys!
I've created some graphics with gephi using the sigma exporter plugin which creates a project like this one, for use the interactive graphic it's just needed open the index.html Now i've created a little site with django and i'd like to show the interactive graphics that i've generated by gephi on my site: i've created a button in this way:

<li><a target="_blank" href="./gephi/1/1/network/index.html">1.1 - OpenOrd - Centrality</a></li>

in the network folder there are all the files generated from gephi, but i can't open properly the project by django, infact when i open the   index.html appears only this. 
In the urlpatterns in urls.py i've added this:

path('gephi/1/1/network/index.html', views.graph)
in the view.py i've added this:

def graph(request): return render(request, 'home/gephi/1/1/network/index.html', {})




 what am i doing wrong?
this is the tree

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