Fix imports.

bin/dul-daemon

@@ -19,7 +19,7 @@
 
 import sys
 from dulwich.repo import Repo
-from dulwich.server import DictBackend, GitBackendRepo, TCPGitServer
+from dulwich.server import DictBackend, TCPGitServer
 
 if __name__ == "__main__":
     if len(sys.argv) > 1:

bin/dul-web

@@ -20,7 +20,7 @@
 import os
 import sys
 from dulwich.repo import Repo
-from dulwich.server import GitBackendRepo, DictBackend
+from dulwich.server import DictBackend
 from dulwich.web import HTTPGitApplication
 from wsgiref.simple_server import make_server