diff --git a/rhodecode/lib/dbmigrate/migrate/changeset/constraint.py b/rhodecode/lib/dbmigrate/migrate/changeset/constraint.py
--- a/rhodecode/lib/dbmigrate/migrate/changeset/constraint.py
+++ b/rhodecode/lib/dbmigrate/migrate/changeset/constraint.py
@@ -3,8 +3,8 @@
 """
 from sqlalchemy import schema
 
-from migrate.exceptions import *
-from migrate.changeset import SQLA_06
+from rhodecode.lib.dbmigrate.migrate.exceptions import *
+from rhodecode.lib.dbmigrate.migrate.changeset import SQLA_06
 
 class ConstraintChangeset(object):
     """Base class for Constraint classes."""
@@ -27,7 +27,7 @@ class ConstraintChangeset(object):
 
     def __do_imports(self, visitor_name, *a, **kw):
         engine = kw.pop('engine', self.table.bind)
-        from migrate.changeset.databases.visitor import (get_engine_visitor,
+        from rhodecode.lib.dbmigrate.migrate.changeset.databases.visitor import (get_engine_visitor,
                                                          run_single_visitor)
         visitorcallable = get_engine_visitor(engine, visitor_name)
         run_single_visitor(engine, visitorcallable, self, *a, **kw)