Raspberry Pi 4 Build Error

[rbnemo71]

I followed the steps with dockers. It was all ok, until...
screenshot
Processing triggers for libc-bin (2.31-9) ...
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 100 1882k 100 1882k 0 0 1234k 0 0:00:01 0:00:01 --:--:-- 1235k
Collecting pip
Downloading pip-21.0.1-py3-none-any.whl (1.5 MB)
Collecting setuptools
Downloading setuptools-53.1.0-py3-none-any.whl (784 kB)
Collecting wheel
Downloading wheel-0.36.2-py2.py3-none-any.whl (35 kB)
Installing collected packages: wheel, setuptools, pip
Successfully installed pip-21.0.1 setuptools-53.1.0 wheel-0.36.2
Collecting boto3
Downloading boto3-1.17.17-py2.py3-none-any.whl (130 kB)
Collecting jmespath<1.0.0,>=0.7.1
Downloading jmespath-0.10.0-py2.py3-none-any.whl (24 kB)
Collecting s3transfer<0.4.0,>=0.3.0
Downloading s3transfer-0.3.4-py2.py3-none-any.whl (69 kB)
Collecting botocore<1.21.0,>=1.20.17
Downloading botocore-1.20.17-py2.py3-none-any.whl (7.3 MB)
Collecting python-dateutil<3.0.0,>=2.1
Downloading python_dateutil-2.8.1-py2.py3-none-any.whl (227 kB)
Collecting urllib3<1.27,>=1.25.4
Downloading urllib3-1.26.3-py2.py3-none-any.whl (137 kB)
Collecting six>=1.5
Downloading six-1.15.0-py2.py3-none-any.whl (10 kB)
Installing collected packages: six, urllib3, python-dateutil, jmespath, botocore, s3transfer, boto3
Successfully installed boto3-1.17.17 botocore-1.20.17 jmespath-0.10.0 python-dateutil-2.8.1 s3transfer-0.3.4 six-1.15.0 urllib3-1.26.3
Traceback (most recent call last):
File "/working_dir/upload.py", line 9, in
client = session.client('s3',
File "/usr/local/lib/python3.9/dist-packages/boto3/session.py", line 258, in client
return self._session.create_client(
File "/usr/local/lib/python3.9/dist-packages/botocore/session.py", line 834, in create_client
client = client_creator.create_client(
File "/usr/local/lib/python3.9/dist-packages/botocore/client.py", line 85, in create_client
client_args = self._get_client_args(
File "/usr/local/lib/python3.9/dist-packages/botocore/client.py", line 326, in _get_client_args
return args_creator.get_client_args(
File "/usr/local/lib/python3.9/dist-packages/botocore/args.py", line 99, in get_client_args
endpoint = endpoint_creator.create_endpoint(
File "/usr/local/lib/python3.9/dist-packages/botocore/endpoint.py", line 287, in create_endpoint
raise ValueError("Invalid endpoint: %s" % endpoint_url)
ValueError: Invalid endpoint: https://

end of screenshot
It just exited. Nothing build.

What should I do?

[fjfei]

basedir=$(pwd)/artifacts/elementary-rpi