#471 test_python_readSBML failed with Python-3.8

[Antonio Trande]

Hi all.

test_python_readSBML failed with Python-3.8:

:::python
56: Test command: /usr/bin/python3 "/builddir/build/BUILD/libSBML-5.18.0-Source/examples/python/readSBML.py" "/builddir/build/BUILD/libSBML-5.18.0-Source/examples/sample-models/from-spec/level-3/enzymekinetics.xml"
56: Environment variables:
56: PYTHONPATH=/builddir/build/BUILD/libSBML-5.18.0-Source/build/src/bindings/python:/builddir/build/BUILD/libSBML-5.18.0-Source/build/src/bindings/python:
56: Test timeout computed to be: 3000
56: Traceback (most recent call last):
56: File "/builddir/build/BUILD/libSBML-5.18.0-Source/examples/python/readSBML.py", line 74, in <module>
56: main(sys.argv)
56: File "/builddir/build/BUILD/libSBML-5.18.0-Source/examples/python/readSBML.py", line 57, in main
56: current = time.clock()
56: AttributeError: module 'time' has no attribute 'clock'
56/73 Test #56: test_python_readSBML ..........................***Failed 0.10 sec</module>

libsbml-5.18.0
Fedora 31 (devel branch)
Python-3.8.0b1