SyntaxError: future feature annotations is not defined when running docker build

[masadcv]

When trying to build from docker file, I am getting the following error:

Failed to build argon2-cffi-bindings
Installing collected packages: pycparser, cffi, argon2-cffi-bindings
  Running setup.py install for argon2-cffi-bindings: started
    Running setup.py install for argon2-cffi-bindings: finished with status 'error'
    Complete output from command /usr/bin/python3 -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-qermlc8h/argon2-cffi-bindings/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-q4a_pun7-record/install-record.txt --single-version-externally-managed --compile:
    /usr/lib/python3.6/distutils/dist.py:261: UserWarning: Unknown distribution option: 'long_description_content_type'
      warnings.warn(msg)
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/tmp/pip-build-qermlc8h/argon2-cffi-bindings/setup.py", line 356, in <module>
        **keywords_with_side_effects(sys.argv),
      File "/usr/lib/python3/dist-packages/setuptools/__init__.py", line 129, in setup
        return distutils.core.setup(**attrs)
      File "/usr/lib/python3.6/distutils/core.py", line 108, in setup
        _setup_distribution = dist = klass(attrs)
      File "/usr/lib/python3/dist-packages/setuptools/dist.py", line 372, in __init__
        _Distribution.__init__(self, attrs)
      File "/usr/lib/python3.6/distutils/dist.py", line 281, in __init__
        self.finalize_options()
      File "/usr/lib/python3/dist-packages/setuptools/dist.py", line 528, in finalize_options
        ep.load()(self, ep.name, value)
      File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2324, in load
        return self.resolve()
      File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2330, in resolve
        module = __import__(self.module_name, fromlist=['__name__'], level=0)
      File "/tmp/pip-build-qermlc8h/argon2-cffi-bindings/.eggs/setuptools_scm-7.0.5-py3.6.egg/setuptools_scm/__init__.py", line 5
        from __future__ import annotations
        ^
    SyntaxError: future feature annotations is not defined
    
    ----------------------------------------
Command "/usr/bin/python3 -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-qermlc8h/argon2-cffi-bindings/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-q4a_pun7-record/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /tmp/pip-build-qermlc8h/argon2-cffi-bindings/
The command '/bin/sh -c apt-get update &&    apt-get install -y python3 python3-pip curl vim &&    curl -fsSL 'https://raw.githubusercontent.com/dreal/dreal4/master/setup/ubuntu/18.04/install.sh' | bash &&    rm -rf ./project/venv &&    pip3 install argon2_cffi_bindings==21.1.0 &&    pip3 install -r ./project/requirements.txt' returned a non-zero code: 1

Any idea how I can resolve this error? Many thanks!