[BUG] module 'os' has no attribute 'getcwdu'

[gbarreiro]

Description
Salt Package Manager (SPM) is using a deprecated Python method called os.getcwdu(), which used to exist in Python 2.x, but not anymore on Python 3.x. This causes the following exception when calling spm create_repo . on SPM version 3004:

[ERROR   ] An un-handled exception was caught by salt's global exception handler:
AttributeError: module 'os' has no attribute 'getcwdu'
Traceback (most recent call last):
  File "/usr/bin/spm", line 11, in <module>
    salt_spm()
  File "/usr/lib/python3.6/site-packages/salt/scripts.py", line 533, in salt_spm
    spm.run()
  File "/usr/lib/python3.6/site-packages/salt/cli/spm.py", line 38, in run
    client.run(self.args)
  File "/usr/lib/python3.6/site-packages/salt/spm/__init__.py", line 129, in run
    self._create_repo(args)
  File "/usr/lib/python3.6/site-packages/salt/spm/__init__.py", line 750, in _create_repo
    repo_path = os.getcwdu()
AttributeError: module 'os' has no attribute 'getcwdu'
Traceback (most recent call last):
  File "/usr/bin/spm", line 11, in <module>
    salt_spm()
  File "/usr/lib/python3.6/site-packages/salt/scripts.py", line 533, in salt_spm
    spm.run()
  File "/usr/lib/python3.6/site-packages/salt/cli/spm.py", line 38, in run
    client.run(self.args)
  File "/usr/lib/python3.6/site-packages/salt/spm/__init__.py", line 129, in run
    self._create_repo(args)
  File "/usr/lib/python3.6/site-packages/salt/spm/__init__.py", line 750, in _create_repo
    repo_path = os.getcwdu()
AttributeError: module 'os' has no attribute 'getcwdu'

Setup

Docker container. Image is build with the following Dockerfile:

FROM opensuse/leap

RUN zypper refresh && zypper install -y salt-master

ENTRYPOINT ["sleep","infinity"]

Steps to Reproduce the behavior

1. Install salt-master
2. Run spm create_repo . on any directory

Expected behavior
The repository is correctly initialized on the current working directory.

Versions Report

salt --versions-report

(Provided by running salt --versions-report. Please also mention any differences in master/minion versions.)

Salt Version:
          Salt: 3004
 
Dependency Versions:
          cffi: 1.13.2
      cherrypy: Not Installed
      dateutil: Not Installed
     docker-py: Not Installed
         gitdb: Not Installed
     gitpython: Not Installed
        Jinja2: 2.10.1
       libgit2: Not Installed
      M2Crypto: 0.38.0
          Mako: Not Installed
       msgpack: 0.5.6
  msgpack-pure: Not Installed
  mysql-python: Not Installed
     pycparser: 2.17
      pycrypto: Not Installed
  pycryptodome: Not Installed
        pygit2: Not Installed
        Python: 3.6.15 (default, Sep 23 2021, 15:41:43) [GCC]
  python-gnupg: Not Installed
        PyYAML: 5.4.1
         PyZMQ: 17.1.2
         smmap: Not Installed
       timelib: Not Installed
       Tornado: 4.5.3
           ZMQ: 4.2.3
 
System Versions:
          dist: opensuse-leap 15.4 
        locale: UTF-8
       machine: x86_64
       release: 5.13.0-51-generic
        system: Linux
       version: openSUSE Leap 15.4 

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