User matching query does not exist.

I'm trying get user according to email.

user = User.objects.get(email=email)

if user is none, i will show message. I will check password after. But when i trying login with wrong email address for test i have error "User matching query does not exist.". How can i handle this error to convert message. I have tried this

try:
    user = User.objects.get(email=email)
except:
    user = None;

if user is None:
    messages.warning(request, "Email hatalı")
    print("email is wrong")
    return render(request, "login.html", context)

 code but my each login attempt, i have message "e mail is wrong"

--
You received this message because you are subscribed to the Google Groups "Django users" group.
To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscribe@googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/985ce3b9-2810-48ef-9840-e18515109f4b%40googlegroups.com.