[ci] Add PYTHONUNBUFFERED=1 to mitigate #2

.gitlab-ci.yml

 # Definition of global variables (all stages)
 variables:
+  PYTHONUNBUFFERED: "1"
   CONDA_ROOT: "${CI_PROJECT_DIR}/miniconda"
 
 

bob/devtools/data/gitlab-ci/base-build.yaml

@@ -4,6 +4,7 @@
 
 # Definition of global variables (all stages)
 variables:
+  PYTHONUNBUFFERED: "1"
   CONDA_ROOT: "${CI_PROJECT_DIR}/miniconda"
   BOOTSTRAP: "https://gitlab.idiap.ch/bob/bob.devtools/raw/master/bob/devtools/bootstrap.py"
 

bob/devtools/data/gitlab-ci/nightlies.yaml

@@ -3,6 +3,7 @@
 
 # Definition of global variables (all stages)
 variables:
+  PYTHONUNBUFFERED: "1"
   CONDA_ROOT: "${CI_PROJECT_DIR}/miniconda"
   BOOTSTRAP: "https://gitlab.idiap.ch/bob/bob.devtools/raw/master/bob/devtools/bootstrap.py"
 

bob/devtools/data/gitlab-ci/single-package.yaml

@@ -4,6 +4,7 @@
 
 # Definition of global variables (all stages)
 variables:
+  PYTHONUNBUFFERED: "1"
   CONDA_ROOT: "${CI_PROJECT_DIR}/miniconda"
   BOOTSTRAP: "https://gitlab.idiap.ch/bob/bob.devtools/raw/master/bob/devtools/bootstrap.py"