The few Python 2 statements are replaced with their modern
counterparts. These are one of the following:
- print() function calls (instead of statements),
- Exception and Error raising,
- passing/receiving tuples as function/lambda arguments,
- the L suffix for numeral constants.
* compiler/gdsMill/pyx/box.py,
compiler/gdsMill/pyx/connector.py,
compiler/gdsMill/pyx/deformer.py,
compiler/gdsMill/pyx/dvifile.py,
compiler/gdsMill/pyx/epsfile.py,
compiler/gdsMill/pyx/font/afm.py,
compiler/gdsMill/pyx/font/t1font.py,
compiler/gdsMill/pyx/graph/axis/texter.py,
compiler/gdsMill/pyx/graph/axis/tick.py,
compiler/gdsMill/sram_examples/cell6tDemo.py,
compiler/gdsMill/sram_examples/newcell.py: Modernize syntax.