import-orig: Refactor vcs_tag_parent

This eliminates an indentation level.

1 files changed, 6 insertions, 7 deletions

diff --git a/gbp/deb/git.py b/gbp/deb/git.py
index 4b521226..a7015893 100644
--- a/gbp/deb/git.py
+++ b/gbp/deb/git.py
@@ -375,14 +375,13 @@ class DebianGitRepository(PkgGitRepository):
 
     def vcs_tag_parent(self, vcs_tag_format, version):
         """If linking to the upstream VCS get the commit id"""
-        if vcs_tag_format:
-            try:
-                tag = "%s^{}" % self.version_to_tag(vcs_tag_format, version)
-                return [self.rev_parse(tag)]
-            except GitRepositoryError:
-                raise GitRepositoryError("Can't find upstream vcs tag at '%s'" % tag)
-        else:
+        if not vcs_tag_format:
             return None
+        try:
+            tag = "%s^{}" % self.version_to_tag(vcs_tag_format, version)
+            return [self.rev_parse(tag)]
+        except GitRepositoryError:
+            raise GitRepositoryError("Can't find upstream vcs tag at '%s'" % tag)
 
 
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