Also update Field.physical_to_index,index_to_physical for coordinate_transform as a function

8 jobs for functional_coordinate_transform in 3 minutes and 11 seconds (queued for 2 seconds)
latest
Name Stage Failure
failed
build-documentation Test
loading intersphinx inventory from https://docs.python.org/3.6/objects.inv...
loading intersphinx inventory from https://docs.scipy.org/doc/numpy/objects.inv...
loading intersphinx inventory from https://matplotlib.org/objects.inv...
loading intersphinx inventory from https://docs.sympy.org/latest/objects.inv...

Warning, treated as error:
failed to reach any of the inventories with the following issues:
intersphinx inventory 'https://docs.sympy.org/latest/objects.inv' not readable due to ValueError: unknown or unsupported inventory version: ValueError('invalid inventory header: <html>')
ERROR: Job failed: exit code 1