ffpb = WinError 2

```
C:\Users\kubinka0505>ffpb
'ffpb' is not recognized as an internal or external command,
operable program or batch file.

C:\Users\kubinka0505>pip install ffpb
Collecting ffpb
Using cached ffpb-0.4.1-py2.py3-none-any.whl (6.2 kB)
Collecting tqdm~=4.25
Downloading tqdm-4.64.0-py2.py3-none-any.whl (78 kB)
---------------------------------------- 78.4/78.4 KB 874.5 kB/s eta 0:00:00
Collecting colorama
Using cached colorama-0.4.4-py2.py3-none-any.whl (16 kB)
Installing collected packages: colorama, tqdm, ffpb
Successfully installed colorama-0.4.4 ffpb-0.4.1 tqdm-4.64.0

C:\Users\kubinka0505>ffpb
Unexpected exception: [WinError 2] Nie można odnaleźć określonego pliku

C:\Users\kubinka0505>py -V
Python 3.7.6
```

I've just installed ffpb and this dropped. Any solutions?