debian/changelog

+gdcm (2.8.7-3) unstable; urgency=medium
+
+  * d/control: Add conflict with python2 packages, Closes: #908472
+
+ -- Gert Wollny <gewo@debian.org>  Mon, 01 Oct 2018 20:48:07 +0200
+
 gdcm (2.8.7-2) unstable; urgency=medium
 
   [ Andreas Tille ]

debian/control

@@ -104,6 +104,7 @@ Section: python
 Architecture: any
 Depends: ${shlibs:Depends}, ${misc:Depends}, ${python3:Depends}, libgdcm2.8 (= ${binary:Version})
 Provides: ${python:Provides}
+Conflicts: python-gdcm
 Description: Grassroots DICOM Python bindings
  Grassroots DiCoM is a C++ library for DICOM medical files. It is
  automatically wrapped to python/C#/Java (using swig). It supports
@@ -155,6 +156,7 @@ Architecture: any
 Depends: ${shlibs:Depends}, ${misc:Depends}, ${python3:Depends}, libvtkgdcm2.8 (= ${binary:Version})
 Provides: ${python:Provides}
 Suggests: python3-gdcm
+Conflicts: python-vtkgdcm
 Description: Grassroots DICOM VTK/Python bindings
  Grassroots DiCoM is a C++ library for DICOM medical files. It is
  automatically wrapped to python/C#/Java (using swig). It supports