DISPATCH-1164 - Modified config.sh to work with python3 only

[fgiorgetti]

No description provided.

[codecov-io]

Codecov Report

Merging #412 into master will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master    #412      +/-   ##
=========================================
+ Coverage   85.17%   85.2%   +0.02%     
=========================================
  Files          78      78              
  Lines       17429   17429              
=========================================
+ Hits        14845   14850       +5     
+ Misses       2584    2579       -5

Impacted Files	Coverage Δ
src/router_core/route_tables.c	76.8% <0%> (-0.26%)	⬇️
src/server.c	82.42% <0%> (+0.12%)	⬆️
src/router_node.c	93.78% <0%> (+0.25%)	⬆️
src/router_core/router_core.c	93.42% <0%> (+0.28%)	⬆️
src/router_core/transfer.c	90.46% <0%> (+0.29%)	⬆️

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