Expose ppline in Alignment class (#59) #556

Job	Run time
Test (Linux, arm64) (cp310-manylinux_aarch64)	41m 27s
Test (OSX) (3.7, v3.7, CPython)	3m 47s
Test (Linux, arm64) (cp311-manylinux_aarch64)	40m 57s
Test (Linux) (3.7, v3.7, CPython)	2m 1s
Test (OSX) (3.8, v3.8, CPython)	3m 28s
Test (Linux) (3.8, v3.8, CPython)	1m 58s
Test (OSX) (3.9, v3.9, CPython)	3m 12s
Test (Linux) (3.9, v3.9, CPython)	1m 49s
Test (OSX) (3.10, v3.10, CPython)	4m 25s
Test (Linux) (3.10, v3.10, CPython)	1m 49s
Test (OSX) (3.11, v3.11, CPython)	3m 10s
Test (Linux) (3.11, v3.11, CPython)	1m 49s
Test (OSX) (3.12, v3.12, CPython)	4m 35s
Test (Linux) (3.12, v3.12, CPython)	2m 8s
Test (OSX) (pypy-3.7, v3.7, PyPy)	5m 29s
Test (Linux) (pypy-3.7, v3.7, PyPy)	2m 34s
Test (OSX) (pypy-3.8, v3.8, PyPy)	4m 53s
Test (Linux) (pypy-3.8, v3.8, PyPy)	2m 27s
Test (OSX) (pypy-3.9, v3.9, PyPy)	3m 33s
Test (Linux) (pypy-3.9, v3.9, PyPy)	2m 22s
	2h 17m 53s

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