Bug#948206: mitmproxy incompatible with python3-wsproto=0.15.0-2

[Andrej Shadura]

On 08/04/2020 16:58, Andrej Shadura wrote:
Uploading an NMU to DELAYED/0, including the upstream fix and two 
clean-up commits from the Janitor.

Sorry, I intended to upload it to DELAYED/1 but was hit by an off-by-one 
error.

--
Cheers,
  Andrej