import mypkg #$ use=moduleImport("mypkg")
print(mypkg.foo) #$ use=moduleImport("mypkg").getMember("foo") // 42
try:
    print(mypkg.bar) #$ use=moduleImport("mypkg").getMember("bar")
except AttributeError as e:
    print(e)  # module 'mypkg' has no attribute 'bar'