Hi,
Thank you soo much.
I have fixed the error by “ln -s /usr/sbin/python3 /usr/sbin/python”. but after that again a new type of error thrown. 
----------- New error ------------
: Install edx_ansible venv requirements] **********************************************************
[0;31mfailed: [127.0.0.1] (item=/edx/app/edx_ansible/edx_ansible/pre-requirements.txt) => {“ansible_loop_var”: “item”, “changed”: false, “cmd”: ["/edx/app/edx_ansible/venvs/edx_ansible/bin/pip3", “install”, “-i”, “https://pypi.python.org/simple”, “-r”, “/edx/app/edx_ansible/edx_ansible/requirements.txt”], “item”: “/edx/app/edx_ansible/edx_ansible/pre-requirements.txt”, “msg”: “stdout: Looking in indexes: https://pypi.python.org/simple\nRequirement already satisfied: ansible==2.8.15 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 7)) (2.8.15)\nRequirement already satisfied: awscli==1.16.309 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 8)) (1.16.309)\nRequirement already satisfied: bcrypt==3.1.7 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 9)) (3.1.7)\nRequirement already satisfied: boto3==1.10.45 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 10)) (1.10.45)\nRequirement already satisfied: boto==2.48.0 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 11)) (2.48.0)\nRequirement already satisfied: botocore==1.13.45 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 12)) (1.13.45)\nRequirement already satisfied: certifi==2020.6.20 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 13)) (2020.6.20)\nRequirement already satisfied: cffi==1.14.2 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 14)) (1.14.2)\nRequirement already satisfied: chardet==3.0.4 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 15)) (3.0.4)\nCollecting colorama==0.4.1\n Using cached colorama-0.4.1-py2.py3-none-any.whl (15 kB)\nCollecting cryptography==3.1\n Using cached cryptography-3.1-cp35-abi3-manylinux2010_x86_64.whl (2.6 MB)\nRequirement already satisfied: datadog==0.8.0 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 18)) (0.8.0)\nRequirement already satisfied: decorator==4.4.2 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 19)) (4.4.2)\nRequirement already satisfied: docopt==0.6.2 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 20)) (0.6.2)\nRequirement already satisfied: docutils==0.15.2 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 21)) (0.15.2)\nRequirement already satisfied: ecdsa==0.13.3 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 22)) (0.13.3)\nRequirement already satisfied: idna==2.7 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 23)) (2.7)\nCollecting jinja2==2.8\n Using cached Jinja2-2.8-py2.py3-none-any.whl (263 kB)\nRequirement already satisfied: jmespath==0.10.0 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 25)) (0.10.0)\nRequirement already satisfied: markupsafe==1.1.1 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 26)) (1.1.1)\nRequirement already satisfied: mysqlclient==1.4.6 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 27)) (1.4.6)\nRequirement already satisfied: networkx==1.11 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 28)) (1.11)\nCollecting paramiko==2.4.2\n Using cached paramiko-2.4.2-py2.py3-none-any.whl (193 kB)\nRequirement already satisfied: pathlib2==2.3.0 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 30)) (2.3.0)\nRequirement already satisfied: prettytable==0.7.2 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 31)) (0.7.2)\nRequirement already satisfied: pyasn1==0.4.8 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 32)) (0.4.8)\nRequirement already satisfied: pycparser==2.20 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 33)) (2.20)\nRequirement already satisfied: pycrypto==2.6.1 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 34)) (2.6.1)\nCollecting pymongo==3.9.0\n Using cached pymongo-3.9.0-cp38-cp38-linux_x86_64.whl\nCollecting pynacl==1.4.0\n Using cached PyNaCl-1.4.0-cp35-abi3-manylinux1_x86_64.whl (961 kB)\nRequirement already satisfied: python-dateutil==2.8.1 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 37)) (2.8.1)\nCollecting pyyaml==5.2\n Using cached PyYAML-5.2-cp38-cp38-linux_x86_64.whl\nCollecting requests==2.20.0\n Using cached requests-2.20.0-py2.py3-none-any.whl (60 kB)\nRequirement already satisfied: rsa==3.4.2 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 40)) (3.4.2)\nRequirement already satisfied: s3transfer==0.2.1 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 41)) (0.2.1)\nRequirement already satisfied: six==1.15.0 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 42)) (1.15.0)\nRequirement already satisfied: urllib3==1.24.3 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 43)) (1.24.3)\nInstalling collected packages: requests, pyyaml, pynacl, jinja2, cryptography, colorama, pymongo, paramiko\n Attempting uninstall: requests\n Found existing installation: requests 2.23.0\n Uninstalling requests-2.23.0:\n Successfully uninstalled requests-2.23.0\n\n:stderr: ERROR: Could not install packages due to an OSError: [Errno 13] Permission denied: ‘RECORD’\nConsider using the --user
option or check the permissions.\n\n”}[0m
[0;31mfailed: [127.0.0.1] (item=/edx/app/edx_ansible/edx_ansible/requirements.txt) => {“ansible_loop_var”: “item”, “changed”: false, “cmd”: ["/edx/app/edx_ansible/venvs/edx_ansible/bin/pip3", “install”, “-i”, “https://pypi.python.org/simple”, “-r”, “/edx/app/edx_ansible/edx_ansible/requirements.txt”], “item”: “/edx/app/edx_ansible/edx_ansible/requirements.txt”, “msg”: “stdout: Looking in indexes: https://pypi.python.org/simple\nRequirement already satisfied: ansible==2.8.15 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 7)) (2.8.15)\nRequirement already satisfied: awscli==1.16.309 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 8)) (1.16.309)\nRequirement already satisfied: bcrypt==3.1.7 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 9)) (3.1.7)\nRequirement already satisfied: boto3==1.10.45 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 10)) (1.10.45)\nRequirement already satisfied: boto==2.48.0 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 11)) (2.48.0)\nRequirement already satisfied: botocore==1.13.45 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 12)) (1.13.45)\nRequirement already satisfied: certifi==2020.6.20 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 13)) (2020.6.20)\nRequirement already satisfied: cffi==1.14.2 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 14)) (1.14.2)\nRequirement already satisfied: chardet==3.0.4 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 15)) (3.0.4)\nCollecting colorama==0.4.1\n Using cached colorama-0.4.1-py2.py3-none-any.whl (15 kB)\nCollecting cryptography==3.1\n Using cached cryptography-3.1-cp35-abi3-manylinux2010_x86_64.whl (2.6 MB)\nRequirement already satisfied: datadog==0.8.0 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 18)) (0.8.0)\nRequirement already satisfied: decorator==4.4.2 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 19)) (4.4.2)\nRequirement already satisfied: docopt==0.6.2 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 20)) (0.6.2)\nRequirement already satisfied: docutils==0.15.2 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 21)) (0.15.2)\nRequirement already satisfied: ecdsa==0.13.3 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 22)) (0.13.3)\nRequirement already satisfied: idna==2.7 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 23)) (2.7)\nCollecting jinja2==2.8\n Using cached Jinja2-2.8-py2.py3-none-any.whl (263 kB)\nRequirement already satisfied: jmespath==0.10.0 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 25)) (0.10.0)\nRequirement already satisfied: markupsafe==1.1.1 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 26)) (1.1.1)\nRequirement already satisfied: mysqlclient==1.4.6 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 27)) (1.4.6)\nRequirement already satisfied: networkx==1.11 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 28)) (1.11)\nCollecting paramiko==2.4.2\n Using cached paramiko-2.4.2-py2.py3-none-any.whl (193 kB)\nRequirement already satisfied: pathlib2==2.3.0 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 30)) (2.3.0)\nRequirement already satisfied: prettytable==0.7.2 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 31)) (0.7.2)\nRequirement already satisfied: pyasn1==0.4.8 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 32)) (0.4.8)\nRequirement already satisfied: pycparser==2.20 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 33)) (2.20)\nRequirement already satisfied: pycrypto==2.6.1 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 34)) (2.6.1)\nCollecting pymongo==3.9.0\n Using cached pymongo-3.9.0-cp38-cp38-linux_x86_64.whl\nCollecting pynacl==1.4.0\n Using cached PyNaCl-1.4.0-cp35-abi3-manylinux1_x86_64.whl (961 kB)\nRequirement already satisfied: python-dateutil==2.8.1 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 37)) (2.8.1)\nCollecting pyyaml==5.2\n Using cached PyYAML-5.2-cp38-cp38-linux_x86_64.whl\nRequirement already satisfied: requests==2.20.0 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 39)) (2.20.0)\nRequirement already satisfied: rsa==3.4.2 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 40)) (3.4.2)\nRequirement already satisfied: s3transfer==0.2.1 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 41)) (0.2.1)\nRequirement already satisfied: six==1.15.0 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 42)) (1.15.0)\nRequirement already satisfied: urllib3==1.24.3 in /edx/app/edx_ansible/venvs/edx_ansible/lib/python3.8/site-packages (from -r /edx/app/edx_ansible/edx_ansible/requirements.txt (line 43)) (1.24.3)\nInstalling collected packages: pyyaml, pynacl, jinja2, cryptography, colorama, pymongo, paramiko\n Attempting uninstall: pyyaml\n Found existing installation: PyYAML 5.3.1\n Uninstalling PyYAML-5.3.1:\n Successfully uninstalled PyYAML-5.3.1\n\n:stderr: ERROR: Could not install packages due to an OSError: [Errno 13] Permission denied: ‘RECORD’\nConsider using the --user
option or check the permissions.\n\n”}[0m
[0;31m127.0.0.1[0m : [0;32mok=29 [0m [0;33mchanged=2 [0m unreachable=0 [0;31mfailed=1 [0m [0;36mskipped=46 [0m rescued=0 ignored=0