Comment 6 for bug 1898358

VarLogDistupgradeAptlog.txt says:

Starting pkgProblemResolver with broken count: 4
Starting 2 pkgProblemResolver with broken count: 4
Investigating (0) nodejs:amd64 < 13.14.0-1nodesource1 @ii mK Ib >
Broken nodejs:amd64 Dépend on python-minimal:amd64 < 2.7.15~rc1-1 @ii gR >
  Considering python-minimal:amd64 1 as a solution to nodejs:amd64 507
  Added python-minimal:amd64 to the remove list
  Fixing nodejs:amd64 via keep of python-minimal:amd64
  MarkKeep python-minimal:amd64 < 2.7.15~rc1-1 @ii gR > FU=0

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In your case, libboost-python-dev and libboost-python1.65-dev may also be causing issues:

Broken libboost-python-dev:amd64 Dépend on libboost-python1.65-dev:amd64 < 1.65.1+dfsg-0ubuntu5 @ii mR >
  Considering libboost-python1.65-dev:amd64 -1 as a solution to libboost-python-dev:amd64 0
  Added libboost-python1.65-dev:amd64 to the remove list
  Fixing libboost-python-dev:amd64 via keep of libboost-python1.65-dev:amd64
  MarkKeep libboost-python1.65-dev:amd64 < 1.65.1+dfsg-0ubuntu5 @ii mR > FU=0