Install the project editable to avoid ambiguity that pytest dislikes

.github/workflows/ci.yml

@@ -64,6 +64,10 @@ jobs:
         -   name: "Main Script"
             run: |
                 curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/build-and-test-py-project-within-miniconda.sh
+                # pytest gets angry when 'import pytato.array' may come
+                # from both the project file and the venv. This matters
+                # because of doctest collection.
+                PROJECT_INSTALL_FLAGS="--editable"
                 . ./build-and-test-py-project-within-miniconda.sh
 
     examples:

.gitlab-ci.yml

@@ -4,6 +4,10 @@ Python 3 POCL:
   - export PYOPENCL_TEST=portable:pthread
   - export EXTRA_INSTALL="pyopencl mpi4py jax[cpu]"
   - curl -L -O https://gitlab.tiker.net/inducer/ci-support/raw/main/build-and-test-py-project.sh
+  # pytest gets angry when 'import pytato.array' may come
+  # from both the project file and the venv. This matters
+  # because of doctest collection.
+  - 'PROJECT_INSTALL_FLAGS="--editable"'
   - ". ./build-and-test-py-project.sh"
   tags:
   - python3