Model Downloader fails on Windows 10 and Python 3.9

I tried to run depthai_demo.py on Windows 10 and Python 3.9.

This is the error I’ve got

$ C:\\Users\\VanDa\\AppData\\Local\\Programs\\Python\\Python39\\python.exe depthai_demo.py
No calibration file. Using Calibration Defaults.
Using depthai module from:  C:\Users\VanDa\AppData\Local\Programs\Python\Python39\lib\site-packages\depthai.cp39-win_amd64.pyd
Depthai version installed:  0.3.0.0+dev
Depthai version required:   0.3.0.0
Depthai development version found, skipping check.
Compiling model for 14 shaves, 14 cmx_slices and 1 NN_engines
model_compilation_target: cloud
Traceback (most recent call last):
  File "C:\Users\VanDa\dev\depthai\depthai_demo.py", line 370, in <module>
    dai.startLoop()
  File "C:\Users\VanDa\dev\depthai\depthai_demo.py", line 45, in startLoop
    configMan = DepthConfigManager(args)
  File "C:\Users\VanDa\dev\depthai\depthai_helpers\config_manager.py", line 26, in __init__
    self.generateJsonConfig()
  File "C:\Users\VanDa\dev\depthai\depthai_helpers\config_manager.py", line 192, in generateJsonConfig
    blobMan = BlobManager(self.args, self.calc_dist_to_bb, shave_nr, cmx_slices, NCE_nr)
  File "C:\Users\VanDa\dev\depthai\depthai_helpers\config_manager.py", line 377, in __init__
    self.blob_file = self.compileBlob(self.args['cnn_model'], self.args['model_compilation_target'])
  File "C:\Users\VanDa\dev\depthai\depthai_helpers\config_manager.py", line 431, in compileBlob
    ret = download_and_compile_NN_model(nn_model, model_zoo_folder, shave_nr_opt, cmx_slices_opt, NCE_nr, outblob_file, model_compilation_target)
  File "C:\Users\VanDa\dev\depthai\model_compiler\model_compiler.py", line 133, in download_and_compile_NN_model
    download_location = download_model(model, model_zoo_folder)
  File "C:\Users\VanDa\dev\depthai\model_compiler\model_compiler.py", line 28, in download_model
    result = subprocess.run(downloader_cmd)
  File "C:\Users\VanDa\AppData\Local\Programs\Python\Python39\lib\subprocess.py", line 501, in run
    with Popen(*popenargs, **kwargs) as process:
  File "C:\Users\VanDa\AppData\Local\Programs\Python\Python39\lib\subprocess.py", line 947, in __init__
    self._execute_child(args, executable, preexec_fn, close_fds,
  File "C:\Users\VanDa\AppData\Local\Programs\Python\Python39\lib\subprocess.py", line 1416, in _execute_child
    hp, ht, pid, tid = _winapi.CreateProcess(executable, args,
FileNotFoundError: [WinError 2] Nie mo▒na odnale▒▒ okre▒lonego pliku

Where Nie mo▒na odnale▒▒ okre▒lonego pliku means Cannot find a specified file

Tested on latest develop

[szabi-luxonis]

I assume you didn’t merge the changes from #264 into your branch that you used for testing, and you already had the mobilenet-ssd downloaded.

[VanDavv]

That was the case, sorry @szabi-luxonis, works great