Install pip on .gitlab-ci.yml

.gitlab-ci.yml

@@ -12,6 +12,7 @@ minimal-windows:
     - env
     - conda env list
     - python -c "import numpy"
+    - conda install pip
     - pip install -e .
     - python3 setup.py test
 
@@ -34,6 +35,7 @@ minimal-conda:
       - $ENABLE_NIGHTLY_BUILDS
   image: i10git.cs.fau.de:5005/pycodegen/pycodegen/minimal_conda
   script:
+    - conda install pip
     - pip install -e .
     - python3 setup.py test
   tags:
@@ -60,6 +62,7 @@ build-documentation:
   stage: test
   image: i10git.cs.fau.de:5005/pycodegen/pycodegen/full
   script:
+    - conda install pip
     - pip install -e .
     - export PYTHONPATH=`pwd`
     - mkdir html_doc