diff -r 6eae252361e5 -r 0c973204033a cubicweb/server/__init__.py
--- a/cubicweb/server/__init__.py	Fri Mar 20 14:34:07 2020 +0100
+++ b/cubicweb/server/__init__.py	Tue Mar 31 19:15:03 2020 +0200
@@ -253,7 +253,6 @@
             print('The following SQL statements failed. You should check your schema.')
             print(failed)
             raise Exception('execution of the sql schema failed, you should check your schema')
-        sqlcursor.close()
         sqlcnx.commit()
     with repo.internal_cnx() as cnx:
         # insert entity representing the system source