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Unpacking python (2.7.15~rc1-1) ...
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Unpacking libapache2-mod-svn (1.9.7-4ubuntu1) ...
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Selecting previously unselected package subversion-tools.
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Setting up libapache2-mod-svn (1.9.7-4ubuntu1) ...
dpkg: error processing package libapache2-mod-svn (--configure):
 installed libapache2-mod-svn package post-installation script subprocess returned error exit status 1