Fix new docker_squash install

diff --git a/image/build.rb b/image/build.rb
index fcbed10198b0bc7e201cd1a8d17c0bf830b3df82..7f7cd0b423f7c94b6b44855ac49872a27e6beab1 100644 (file)
--- a/image/build.rb
+++ b/image/build.rb
@@ -21,7 +21,8 @@ end
 
 def ensure_docker_squash
   docker_squash = "https://github.com/goldmann/docker-squash/archive/master.zip"
-  run ("pip install --user #{$docker_squash} --upgrade")
+  run ("apt install python-pip")
+  run ("pip install --user '#{docker_squash}' --upgrade")
 end