Problem with admin site

[kolo1]

Hey

I've made some project with couples apps and now I'd like to manage by admin site but when I try to open localhost:8000/admin I get error

"""

TypeError at /admin/'tuple' object is not a mappingRequest Method:
GETRequest URL: http://localhost:8000/admin/

Django Version: 3.1.6Exception Type:
TypeErrorException Value: 'tuple' object is not a mappingException 

Location:/usr/lib/python3.9/site-packages/django/urls/resolvers.py, line 486, in _populate

Python Executable:/usr/bin/python3Python 

Version: 3.9.1

"""

I can't find the problem? 

My urls.py

"""

from django.contrib import admin

from django.urls import include,path

urlpatterns = [

    path('admin/', admin.site.urls),

    path('', include('main.urls')),

    path('raporty/', include('raporty.urls')), 

    path('settings/', include('settings.urls'))    

]

"""

[Mr. X Offencer]

Show your model.py

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[kolo1]

Re: Problem with admin siteThanx for your replay. I found my mistake. I have incorrectly implemented the qrcode software in urls.py in two applications in my project. 

I have:
path('pdf_page', lost.home, include('qr_code.urls', namespace="qr_code"), name='pdf_page')
change to:
path('pdf_page', include('qr_code.urls', namespace="qr_code"))
For some reason everything was working with my err path only admin site not (why?). After change path seems everything works fine.