generate_code raises TypeError

[wbogocki]

generate_code() raises a TypeError on an inexistent dictionary entry when called.

Python: 3.11.3
cvxpy: 1.4.1
cvxpygen: 0.3.1

Generating code with CVXPYgen ...

{
	"name": "TypeError",
	"message": "'NoneType' object is not subscriptable",
	"stack": "---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
c:\\Users\\redacted\\codegen\\EPO.ipynb Cell 24 line 3
      <a href='vscode-notebook-cell:/c%3A/Users/redacted/codegen/EPO.ipynb#X30sZmlsZQ%3D%3D?line=0'>1</a> from cvxpygen import cpg
----> <a href='vscode-notebook-cell:/c%3A/Users/redacted/codegen/EPO.ipynb#X30sZmlsZQ%3D%3D?line=2'>3</a> cpg.generate_code(problem, code_dir='./gen', solver='OSQP')

File ~\\.pyenv\\pyenv-win\\versions\\3.11.3\\Lib\\site-packages\\cvxpygen\\cpg.py:69, in generate_code(problem, code_dir, solver, solver_opts, enable_settings, unroll, prefix, wrapper)
     67 variable_info = get_variable_info(problem, inverse_data)
     68 dual_variable_info = get_dual_variable_info(inverse_data, solver_interface, cvxpy_interface_class)
---> 69 parameter_info = get_parameter_info(param_prob)
     70 constraint_info = get_constraint_info(solver_interface)
     72 adjacency, parameter_canon, canon_p_ids = process_canonical_parameters(
     73     constraint_info, param_prob, parameter_info, solver_interface, solver_opts, problem, cvxpy_interface_class
     74 )

File ~\\.pyenv\\pyenv-win\\versions\\3.11.3\\Lib\\site-packages\\cvxpygen\\cpg.py:466, in get_parameter_info(p_prob)
    462     return np.array(user_p_id_to_param[user_p_id].value)
    464 user_p_flat = cI.get_parameter_vector(user_p_total_size, user_p_id_to_col, user_p_id_to_size,
    465                                       user_p_value)
--> 466 user_p_flat_usp = user_p_flat[user_p_sparsity_mask]
    467 parameter_info = ParameterInfo(user_p_col_to_name_usp, user_p_flat_usp, user_p_id_to_col,
    468                                user_p_ids, user_p_name_to_shape, user_p_name_to_size_usp,
    469                                user_p_name_to_sparsity, user_p_name_to_sparsity_type,
    470                                user_p_names, user_p_num, user_p_sparsity_mask, user_p_writable)
    471 return parameter_info

TypeError: 'NoneType' object is not subscriptable"
}

[maxschaller]

Could you please paste your minimal example?