Fix #1618 (comment)

sky/templates/aws-ray.yml.j2

@@ -177,7 +177,7 @@ setup_commands:
     (type -a pip | grep -q pip3) || echo 'alias pip=pip3' >> ~/.bashrc;
     (which conda > /dev/null 2>&1 && conda init > /dev/null) || (wget -nc https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh && bash Miniconda3-latest-Linux-x86_64.sh -b && eval "$(~/miniconda3/bin/conda shell.bash hook)" && conda init && conda config --set auto_activate_base true);
     source ~/.bashrc;
-    (pip3 list | grep "ray " | grep {{ray_version}} 2>&1 > /dev/null || pip3 install --exists-action w -U ray[default]=={{ray_version}}) && mkdir -p ~/sky_workdir && mkdir -p ~/.sky/sky_app;
+    (pip3 list | grep "ray " | grep {{ray_version}} 2>&1 > /dev/null || pip3 install --exists-action wipe -U ray[default]=={{ray_version}}) && mkdir -p ~/sky_workdir && mkdir -p ~/.sky/sky_app;
     (pip3 list | grep "skypilot " && [ "$(cat {{sky_remote_path}}/current_sky_wheel_hash)" == "{{sky_wheel_hash}}" ]) || (pip3 uninstall skypilot -y; pip3 install "$(echo {{sky_remote_path}}/{{sky_wheel_hash}}/skypilot-{{sky_version}}*.whl)[aws]" && echo "{{sky_wheel_hash}}" > {{sky_remote_path}}/current_sky_wheel_hash || exit 1);
     sudo bash -c 'rm -rf /etc/security/limits.d; echo "* soft nofile 1048576" >> /etc/security/limits.conf; echo "* hard nofile 1048576" >> /etc/security/limits.conf';
     sudo grep -e '^DefaultTasksMax' /etc/systemd/system.conf || (sudo bash -c 'echo "DefaultTasksMax=infinity" >> /etc/systemd/system.conf'); sudo systemctl set-property user-$(id -u $(whoami)).slice TasksMax=infinity; sudo systemctl daemon-reload;

sky/templates/azure-ray.yml.j2

@@ -126,7 +126,7 @@ setup_commands:
     (type -a pip | grep -q pip3) || echo 'alias pip=pip3' >> ~/.bashrc;
     which conda > /dev/null 2>&1 || (wget -nc https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh && bash Miniconda3-latest-Linux-x86_64.sh -b && eval "$(/home/azureuser/miniconda3/bin/conda shell.bash hook)" && conda init && conda config --set auto_activate_base true);
     source ~/.bashrc;
-    (pip3 list | grep "ray " | grep {{ray_version}} 2>&1 > /dev/null || pip3 install --exists-action w -U ray[default]=={{ray_version}}) && mkdir -p ~/sky_workdir && mkdir -p ~/.sky/sky_app && touch ~/.sudo_as_admin_successful;
+    (pip3 list | grep "ray " | grep {{ray_version}} 2>&1 > /dev/null || pip3 install --exists-action wipe -U ray[default]=={{ray_version}}) && mkdir -p ~/sky_workdir && mkdir -p ~/.sky/sky_app && touch ~/.sudo_as_admin_successful;
     (pip3 list | grep "skypilot " && [ "$(cat {{sky_remote_path}}/current_sky_wheel_hash)" == "{{sky_wheel_hash}}" ]) || (pip3 uninstall skypilot -y; pip3 install "$(echo {{sky_remote_path}}/{{sky_wheel_hash}}/skypilot-{{sky_version}}*.whl)[azure]" && echo "{{sky_wheel_hash}}" > {{sky_remote_path}}/current_sky_wheel_hash || exit 1);
     sudo bash -c 'rm -rf /etc/security/limits.d; echo "* soft nofile 1048576" >> /etc/security/limits.conf; echo "* hard nofile 1048576" >> /etc/security/limits.conf';
     sudo grep -e '^DefaultTasksMax' /etc/systemd/system.conf || (sudo bash -c 'echo "DefaultTasksMax=infinity" >> /etc/systemd/system.conf'); sudo systemctl set-property user-$(id -u $(whoami)).slice TasksMax=infinity; sudo systemctl daemon-reload;

sky/templates/gcp-ray.yml.j2

@@ -170,7 +170,7 @@ setup_commands:
     test -f /home/gcpuser/miniconda3/etc/profile.d/conda.sh && source /home/gcpuser/miniconda3/etc/profile.d/conda.sh && conda activate base || true;
     pip3 install --upgrade google-api-python-client;
   {%- endif %}
-    (pip3 list | grep "ray " | grep {{ray_version}} 2>&1 > /dev/null || pip3 install --exists-action w -U ray[default]=={{ray_version}}) && mkdir -p ~/sky_workdir && mkdir -p ~/.sky/sky_app;
+    (pip3 list | grep "ray " | grep {{ray_version}} 2>&1 > /dev/null || pip3 install --exists-action wipe -U ray[default]=={{ray_version}}) && mkdir -p ~/sky_workdir && mkdir -p ~/.sky/sky_app;
     (pip3 list | grep "skypilot " && [ "$(cat {{sky_remote_path}}/current_sky_wheel_hash)" == "{{sky_wheel_hash}}" ]) || (pip3 uninstall skypilot -y; pip3 install "$(echo {{sky_remote_path}}/{{sky_wheel_hash}}/skypilot-{{sky_version}}*.whl)[gcp]" && echo "{{sky_wheel_hash}}" > {{sky_remote_path}}/current_sky_wheel_hash || exit 1);
     sudo bash -c 'rm -rf /etc/security/limits.d; echo "* soft nofile 1048576" >> /etc/security/limits.conf; echo "* hard nofile 1048576" >> /etc/security/limits.conf';
     sudo grep -e '^DefaultTasksMax' /etc/systemd/system.conf || (sudo bash -c 'echo "DefaultTasksMax=infinity" >> /etc/systemd/system.conf'); sudo systemctl set-property user-$(id -u $(whoami)).slice TasksMax=infinity; sudo systemctl daemon-reload;