installsystems package depends on same version of python-installsystems

debian/changelog

-installsystems (2-dev0) unstable; urgency=low
+installsystems (2~dev0) unstable; urgency=low
 
   Version 2 devel
 

debian/control

@@ -8,7 +8,7 @@ Standards-Version: 3.9.1
 
 Package: installsystems
 Architecture: all
-Depends: ${misc:Depends}, ${python:Depends}, python-installsystems
+Depends: ${misc:Depends}, ${python:Depends}, python-installsystems (>= ${source:Version})
 XB-Python-Version: ${python:Versions}
 Description: InstallSytems Installer
  InstallSystems command line tool

debian/source/format

+1.0

installsystems/__init__.py

@@ -7,7 +7,7 @@ InstallSystems module
 '''
 
 canonical_name="installsystems"
-version = "2-dev"
+version = "2~dev0"
 debug = False
 quiet = False