deb: Decode changelog content when fetched from git

When importing not form the upstream branch the changelog is fetched
via `git show`. Decode the bytes in that case.

Closes: #1004354

diff --git a/gbp/deb/__init__.py b/gbp/deb/__init__.py
index b3a6b711032cd1b20f6a2d45df8a9ed859930aa0..627931d1779e5d5c7c6947ad8adda2bd68a0ab47 100644 (file)
--- a/gbp/deb/__init__.py
+++ b/gbp/deb/__init__.py
@@ -97,7 +97,7 @@ def parse_changelog_repo(repo, branch, filename):
     except GitRepositoryError:
         raise NoChangeLogError("Changelog %s not found in branch %s" % (filename, branch))
 
-    return ChangeLog(repo.show(sha))
+    return ChangeLog(repo.show(sha).decode('utf-8'))
 
 
 def get_arch():