CI: Print numpy debug information for reporting

Author: effigies

appveyor.yml

@@ -26,6 +26,8 @@ test_script:
   # Change into an innocuous directory and find tests from installation
   - mkdir for_testing
   - cd for_testing
+  # Numpy debug information
+  - python -c 'import sys, numpy; print("numpy", numpy.__version__); print("python", sys.version)'
   # Show all environment variables to ease possible future debugging
   - set
   - nosetests --with-doctest nibabel