kombu client hanging bug fixed

[dapper91]

Reason: kombu client creates a response queue implicitly after a request has been sent to the server. If the server finishes handling the request before the response queue is created then the response message will be lost. In such case the client hangs forever waiting for the response from the server.

Solution: This fix forces the client to create the response queue explicitly just before the request is sent which prevents the response message from being lost.

Issue: #66

[codecov-commenter]

Codecov Report

Merging #76 (08cbe2a) into dev (8d86b55) will decrease coverage by 0.03%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##              dev      #76      +/-   ##
==========================================
- Coverage   78.74%   78.71%   -0.04%     
==========================================
  Files          40       40              
  Lines        2583     2584       +1     
==========================================
  Hits         2034     2034              
- Misses        549      550       +1     

Flag	Coverage Δ
unittests	78.71% <0.00%> (-0.04%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pjrpc/client/backend/kombu.py	0.00% <0.00%> (ø)

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