message: fix(api): fix temp connect to attached modules during lw calibration
  Closes
diff: @@ -247,7 +247,7 @@ class ProtocolContext(CommandPublisher):
  if isinstance(mod_ctx, ThermocyclerContext):
  tc_context = mod_ctx
  hw_tc = next(hw_mod for hw_mod in
  - hardware.attached_modules.values()
  + hardware.attached_modules
  if hw_mod.name() == 'thermocycler')
  if hw_tc:
  old_tc = mod_ctx._module
  