qipy tutorial: some fixes
qipy tutorial: some fixes

Change-Id: Idadb17298a0ee03eb2bbf912e7a77a69d5d561f3

dmerejkowsky/qibuild,aldebaran/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild,dmerejkowsky/qibuild,dmerejkowsky/qibuild,dmerejkowsky/qibuild,aldebaran/qibuild