Error with 0.8.4

[MikaelHoogen]

When I update from 0.8.1 to 0.8.4 I get the following error:

Traceback (most recent call last):
File "/usr/local/lib/python3.11/dist-packages/flask/app.py", line 1463, in wsgi_app
response = self.full_dispatch_request()
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/dist-packages/flask/app.py", line 872, in full_dispatch_request
rv = self.handle_user_exception(e)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/dist-packages/flask/app.py", line 870, in full_dispatch_request
rv = self.dispatch_request()
^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/dist-packages/flask/app.py", line 855, in dispatch_request
return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args) # type: ignore[no-any-return]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/dist-packages/emhass/web_server.py", line 141, in action_call
opt_res = naive_mpc_optim(input_data_dict, app.logger)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/dist-packages/emhass/command_line.py", line 285, in naive_mpc_optim
opt_res_naive_mpc = input_data_dict['opt'].perform_naive_mpc_optim(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/dist-packages/emhass/optimization.py", line 628, in perform_naive_mpc_optim
self.opt_res = self.perform_optimization(df_input_data, P_PV.values.ravel(), P_load.values.ravel(),
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/dist-packages/emhass/optimization.py", line 433, in perform_optimization
opt_model.solve(COIN_CMD(msg=0, path=self.lp_solver_path))
File "/usr/local/lib/python3.11/dist-packages/pulp/pulp.py", line 1883, in solve
status = solver.actualSolve(self, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/dist-packages/pulp/apis/coin_api.py", line 112, in actualSolve
return self.solve_CBC(lp, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/dist-packages/pulp/apis/coin_api.py", line 181, in solve_CBC
raise PulpSolverError(
pulp.apis.core.PulpSolverError: Pulp: Error while trying to execute, use msg=True for more details/usr/bin/cbc

Home Assistant installation type

• Home Assistant OS

Your hardware

• OS: HA OS
• Architecture: amd64

EMHASS installation type

• Add-on

[GeoDerp]

Try setting:

  "lp_solver": "PULP_CBC_CMD",
  "lp_solver_path": "empty",

This might be related to: #233

[MikaelHoogen]

Did the trick. Thank you.