[...]
Dash is running on http://127.0.0.1:8050/

09:22:43-INFO-Dash is running on http://127.0.0.1:8050/

 * Serving Flask app "mvs_tool" (lazy loading)
 * Environment: production
   WARNING: This is a development server. Do not use it in a production deployment.
   Use a production WSGI server instead.
 * Debug mode: off
Traceback (most recent call last):
  File "mvs_tool.py", line 4, in <module>
    main()
  File "C:\Users\andra.backhaus\.conda\envs\MVS\lib\site-packages\multi_vector_simulator\cli.py", line 170, in main
    path_png_figs=user_input.get("path_png_figs", None),
  File "C:\Users\andra.backhaus\.conda\envs\MVS\lib\site-packages\multi_vector_simulator\F0_output.py", line 144, in evaluate_dict
    autoreport.print_pdf(app, path_pdf_report=path_pdf_report)
  File "C:\Users\andra.backhaus\.conda\envs\MVS\lib\site-packages\multi_vector_simulator\F2_autoreport.py", line 150, in print_pdf
    asyncio.get_event_loop().run_until_complete(_print_pdf_from_chrome(path_pdf_report))
  File "C:\Users\andra.backhaus\.conda\envs\MVS\lib\asyncio\base_events.py", line 488, in run_until_complete
    return future.result()
  File "C:\Users\andra.backhaus\.conda\envs\MVS\lib\site-packages\multi_vector_simulator\F2_autoreport.py", line 117, in _print_pdf_from_chrome
    ".dash-cell", {"visible": "true",},
  File "C:\Users\andra.backhaus\.conda\envs\MVS\lib\site-packages\pyppeteer\frame_manager.py", line 855, in __await__
    raise result
pyppeteer.errors.TimeoutError: Waiting for selector ".dash-cell" failed: timeout 30000ms exceeds.

(MVS) C:\Andra\MVS_GitHub>mvs_report -i C:\Andra\RLI\Master_Thesis\Data\MVS\Simulations\Greenfield\210115_GF_no_constraints\outputs_5 -pdf
{'print_report': True, 'output_folder': 'C:\\Andra\\RLI\\Master_Thesis\\Data\\MVS\\Simulations\\Greenfield\\210115_GF_no_constraints\\outputs_5', 'report_path': ''}
Traceback (most recent call last):
  File "C:\Users\andra.backhaus\.conda\envs\MVS\Scripts\mvs_report-script.py", line 33, in <module>
    sys.exit(load_entry_point('multi-vector-simulator', 'console_scripts', 'mvs_report')())
  File "C:\Users\andra.backhaus\.conda\envs\MVS\lib\site-packages\multi_vector_simulator\cli.py", line 226, in report
    path_simulation_output_json, JSON_WITH_RESULTS + JSON_FILE_EXTENSION
NameError: name 'JSON_FILE_EXTENSION' is not defined