Could not find a version that satisfies the requirement apscheduler

[liuxingjun]

Steps to reproduce

git clone https://github.com/jertel/elastalert2.git
cd elastalert2/
make clean &&  make test-docker

Output

Creating elastalert_tox_run ... done
GLOB sdist-make: /home/elastalert/setup.py
py39 create: /home/elastalert/tests/.tox/py39
py39 installdeps: -r../requirements-dev.txt
ERROR: invocation failed (exit code 1), logfile: /home/elastalert/tests/.tox/py39/log/py39-1.log
============================================================================================== log start ===============================================================================================
WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7fb06d7e7700>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/apscheduler/
WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7fb06d7e7100>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/apscheduler/
WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7fb06d7e73a0>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/apscheduler/
WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7fb06d7e7820>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/apscheduler/
WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7fb06d7e7460>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/apscheduler/
ERROR: Could not find a version that satisfies the requirement apscheduler<4.0,>=3.3.0 (from versions: none)
ERROR: No matching distribution found for apscheduler<4.0,>=3.3.0

=============================================================================================== log end ================================================================================================
ERROR: could not install deps [-r../requirements-dev.txt]; v = InvocationError('/home/elastalert/tests/.tox/py39/bin/python -m pip install -r../requirements-dev.txt', 1)
docs create: /home/elastalert/tests/.tox/docs
docs installdeps: -r../requirements-dev.txt
ERROR: invocation failed (exit code 1), logfile: /home/elastalert/tests/.tox/docs/log/docs-1.log
============================================================================================== log start ===============================================================================================
WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f063ee4a700>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/apscheduler/
WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f063ee4a100>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/apscheduler/
WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f063ee4a3a0>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/apscheduler/
WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f063ee4a820>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/apscheduler/
WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x7f063ee4a460>: Failed to establish a new connection: [Errno -3] Temporary failure in name resolution')': /simple/apscheduler/
ERROR: Could not find a version that satisfies the requirement apscheduler<4.0,>=3.3.0 (from versions: none)
ERROR: No matching distribution found for apscheduler<4.0,>=3.3.0

=============================================================================================== log end ================================================================================================
ERROR: could not install deps [-r../requirements-dev.txt]; v = InvocationError('/home/elastalert/tests/.tox/docs/bin/python -m pip install -r../requirements-dev.txt', 1)
_______________________________________________________________________________________________ summary ________________________________________________________________________________________________
ERROR:   py39: could not install deps [-r../requirements-dev.txt]; v = InvocationError('/home/elastalert/tests/.tox/py39/bin/python -m pip install -r../requirements-dev.txt', 1)
ERROR:   docs: could not install deps [-r../requirements-dev.txt]; v = InvocationError('/home/elastalert/tests/.tox/docs/bin/python -m pip install -r../requirements-dev.txt', 1)
ERROR: 1
make: *** [test-docker] Error 1

[nsano-rururu]

I ran the following command, but it ran without any problems.

git clone https://github.com/jertel/elastalert2.git
cd elastalert2/
sudo make clean &&  make test-docker

[nsano-rururu]

There is not enough information. Currently, it is not possible to investigate.

[liuxingjun]

Adding network_mode: "host" to tests/docker-compose.yml solved my problem

The reason is that my computer network needs to use the company's network proxy