[dak/master] daklib/dbconn.py: remove two unused backreferences

[Ansgar Burchardt <ansgar@debian.org>]

The backreferences were causing problems when creating new objects via
the ORM.
---
 daklib/dbconn.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/daklib/dbconn.py b/daklib/dbconn.py
index 1972e41..d9ab4cb 100644
--- a/daklib/dbconn.py
+++ b/daklib/dbconn.py
@@ -3404,7 +3404,7 @@ class DBConn(object):
                                  arch_id = self.tbl_binaries.c.architecture,
                                  architecture = relation(Architecture),
                                  poolfile_id = self.tbl_binaries.c.file,
-                                 poolfile = relation(PoolFile, backref=backref('binary', uselist = False)),
+                                 poolfile = relation(PoolFile),
                                  binarytype = self.tbl_binaries.c.type,
                                  fingerprint_id = self.tbl_binaries.c.sig_fpr,
                                  fingerprint = relation(Fingerprint),
@@ -3592,7 +3592,7 @@ class DBConn(object):
                                  version = self.tbl_source.c.version,
                                  maintainer_id = self.tbl_source.c.maintainer,
                                  poolfile_id = self.tbl_source.c.file,
-                                 poolfile = relation(PoolFile, backref=backref('source', uselist = False)),
+                                 poolfile = relation(PoolFile),
                                  fingerprint_id = self.tbl_source.c.sig_fpr,
                                  fingerprint = relation(Fingerprint),
                                  changedby_id = self.tbl_source.c.changedby,
-- 
1.7.2.5