[SOLUCIONADO] Porque me tira este error y como solucionarlo

raceback (most recent call last):
  File "/home/carnicer2/HiddenEye/./HiddenEye.py", line 12, in <module>
    import Defs.ActionManager.main_runner as main_runner
  File "/home/carnicer2/HiddenEye/Defs/ActionManager/main_runner.py", line 9, in <module>
    import Defs.ActionManager.simple_informant as simple_informant
  File "/home/carnicer2/HiddenEye/Defs/ActionManager/simple_informant.py", line 7, in <module>
    import Defs.ActionManager.Server.server_runner as server_runner
  File "/home/carnicer2/HiddenEye/Defs/ActionManager/Server/server_runner.py", line 13, in <module>
    from Defs.ImportManager.unsorted_will_be_replaced import BytesIO
  File "/home/carnicer2/HiddenEye/Defs/ImportManager/unsorted_will_be_replaced.py", line 37, in <module>
    from pgrep import pgrep as check_process
ModuleNotFoundError: No module named 'pgrep'
                                                                            
┌──(carnicer2㉿kali)-[~/HiddenEye]

pip install pgrep

pip install -r requirements.txt