docker_build: remove --user when installing dev tools

--user is not compatible with the use of venv.

NEWS.rst

@@ -2,6 +2,11 @@
 History
 =======
 
+20.8.2
+------
+
+docker_build: When building image with dev tools, do not add the user flags. This allows using venv and when odoo is installed in a user, it is picked automatically.
+
 20.8.1
 ------
 

odoo_scripts/docker_build.py

@@ -19,5 +19,5 @@
 
 _logger = logging.getLogger(__name__)
 
-__version__ = "1.4.0"
+__version__ = "1.4.1"
 __date__ = "2018-04-04"
@@ -23,5 +23,5 @@
 __date__ = "2018-04-04"
-__updated__ = "2023-03-02"
+__updated__ = "2023-10-06"
 
 
 def add_build_options(parser: argparse.ArgumentParser):
@@ -216,7 +216,7 @@
                 myfile.write("RUN pip install pyinotify")
             else:
                 myfile.write(
-                    "RUN python3 -m pip --no-cache-dir install --user pdbpp watchdog "
+                    "RUN python3 -m pip --no-cache-dir install pdbpp watchdog "
                     "ipdb pyinotify\n"
                 )