diff --git a/django/core/management.py b/django/core/management.py
index e34ff02205..5164585dbb 100644
--- a/django/core/management.py
+++ b/django/core/management.py
@@ -423,8 +423,7 @@ def _install(app, commit=True, initial_data=True, pending_allowed=False,
                 manager = model._default_manager
                 if model in models_installed:
                     for rel_class, f in pending[model]:
-                        for statement in manager.get_pending(rel_class, f):
-                            statement.execute()
+                        manager.get_pending(rel_class, f).execute()
                     pending.pop(model)
                 elif not pending_allowed:
                     raise Exception("%s is not installed, but it has pending "
diff --git a/django/db/models/manager.py b/django/db/models/manager.py
index 2a109e4015..8cf1c04c7e 100644
--- a/django/db/models/manager.py
+++ b/django/db/models/manager.py
@@ -147,6 +147,9 @@ class Manager(object):
         return pending
 
     def get_pending(self, rel_class, f):
+        """Get list pending statement relating my model to rel_class via
+        field f
+        """
         builder = self.db.get_creation_module().builder
         return builder.get_ref_sql(self.model, rel_class, f)