Copy the version list when creating new Version

release_mixin.py

@@ -37,8 +37,7 @@ class ReleaseMixin(DevopsBuild):
     def init(self):
         init_service = InitReleaseService(self.version_repo)
         self.release_version = init_service.create_release_version(self.commit_string)
-        release_version_copy = copy.deepcopy(self.release_version) # otherwise we'll modify the release_version again
-        self.bump_version = release_version_copy.create_bump_version()        
+        self.bump_version = self.release_version.create_bump_version()
 
     def prepare(self, version):
         git_repository = GitRepository()

version.py

@@ -36,14 +36,13 @@ class Version():
         return self.version_string
     
     def create_release_version(self):
-        release_version = Version(self.version_list, self.release_type)
+        release_version = Version(self.version_list.copy(), self.release_type)
         release_version.is_snapshot = self.is_snapshot
         release_version.increment()
         return release_version        
     
     def create_bump_version(self):
-        bump_version = Version(self.version_list, self.release_type)
+        bump_version = Version(self.version_list.copy(), ReleaseType.BUMP)
         bump_version.is_snapshot = self.is_snapshot
-        bump_version.release_type = ReleaseType.BUMP
         bump_version.increment()
         return bump_version