ModuleNotFoundError when building Docker Image

[Charystag]

Describe the bug
ModuleNotFoundError when building Docker image. The error occurs when trying to run the command RUN python3 setup.py install

Erroneous code
Here is the log from the python interpreter :

 => ERROR [6/7] RUN python3 setup.py install                                                       0.2s
------                                                                                                  
 > [6/7] RUN python3 setup.py install:                                                                  
0.142 Traceback (most recent call last):                                                                
0.142   File "/usr/src/norminette/setup.py", line 1, in <module>                                        
0.142     __import__('setuptools').setup()                                                              
0.142     ^^^^^^^^^^^^^^^^^^^^^^^^
0.142 ModuleNotFoundError: No module named 'setuptools'
------
Dockerfile:13
--------------------
  11 |     COPY . .
  12 |     
  13 | >>> RUN python3 setup.py install
  14 |     
  15 |     WORKDIR /code
--------------------
ERROR: failed to solve: process "/bin/sh -c python3 setup.py install" did not complete successfully: exit code: 1

Additional infos

norminette 3.3.51

Additional context
I ran the command docker build -t norminette . and encountered the error