Add CI diagnostics

Author: topolarity

.github/workflows/system.yml

@@ -66,6 +66,10 @@ jobs:
         env:
           PYTHON: python
       - run: julia test/check_deps_version.jl ${{ matrix.python-version }}
+      - run: python -c "import numpy; print(numpy.__version__)"
+      - run: python -c "import numpy; print(numpy.__file__)"
+      - run: python -c "import sys; print(sys.path)"
+      - run: python -c "import os; import inspect; inspect.getfile(os)"
       - uses: julia-actions/julia-runtest@v1
         env:
           # Windows temp directories break the CI:

test/runtests.jl

@@ -11,6 +11,14 @@ PYTHONHOME=get(ENV,"PYTHONHOME","")
 PYTHONEXECUTABLE=get(ENV,"PYTHONEXECUTABLE","")
 @info "Python version $pyversion from $(PyCall.libpython), PYTHONHOME=$(PyCall.PYTHONHOME)\nENV[PYTHONPATH]=$PYTHONPATH\nENV[PYTHONHOME]=$PYTHONHOME\nENV[PYTHONEXECUTABLE]=$PYTHONEXECUTABLE"
 
+using Libdl
+for library in Libdl.dllist()
+    println(stderr, library)
+end
+
+os = pyimport("os")
+println(stderr, os.__file__)
+
 @testset "CI setup" begin
     if lowercase(get(ENV, "CI", "false")) == "true"
         @test !ispynull(pyimport_e("numpy"))