I've used them both in production enough to feel qualified to counter these, but we'd all just be arguing for our opinions. Both are excellent frameworks, with no clear standout IMO.
I will say one thing in response: we've found it approximately 10x easier to find devs having years of experience with Python than with Ruby. That's a non-trivial argument in Django's favour in our organisation.
The basics are trivial to learn but the object model and lambda style programming as well as metaprogramming (method_missing, etc) can be overwhelming for some folks to pick up quickly. I absolutely love Ruby though.
I will say one thing in response: we've found it approximately 10x easier to find devs having years of experience with Python than with Ruby. That's a non-trivial argument in Django's favour in our organisation.