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TypeError: unsupported operand type(s) for <<: 'float' and 'int'

awesome repo!!

I am getting the above error when running a fairly large and complex concave polygon with a hole ( full trace is below ).

updating lines 455 and 456 to force the result to an int seems to be sufficient
x = int(32767 * (x - minX) // size)
y = int(32767 * (y - minY) // size)

  File ".../scratch_python/env/lib/python3.6/site-packages/IPython/core/interactiveshell.py", line 3343, in run_code
    exec(code_obj, self.user_global_ns, self.user_ns)
  File "<ipython-input-2-c540e453c829>", line 1, in <module>
    runfile(.../scratches/scratch.py', wdir='.../scratches')
  File "/snap/pycharm-professional/230/plugins/python/helpers/pydev/_pydev_bundle/pydev_umd.py", line 197, in runfile
    pydev_imports.execfile(filename, global_vars, local_vars)  # execute the script
  File "/snap/pycharm-professional/230/plugins/python/helpers/pydev/_pydev_imps/_pydev_execfile.py", line 18, in execfile
    exec(compile(contents+"\n", file, 'exec'), glob, loc)
  File ".../scratches/scratch.py", line 48, in <module>
    main('.../alabama_smsa.geojson')
  File ".../scratches/scratch.py", line 39, in main
    triangles.extend(triangulate_poly(x['geometry']['coordinates']))
  File ".../scratches/scratch.py", line 14, in triangulate_poly
    earcut_indexes = earcut.earcut(flat_coords['vertices'],flat_coords['holes'],flat_coords['dimensions'])
  File ".../earcut/earcut.py", line 48, in earcut
    earcutLinked(outerNode, triangles, dim, minX, minY, size)
  File ".../earcut/earcut.py", line 106, in earcutLinked
    indexCurve(ear, minX, minY, size)
  File ".../earcut/earcut.py", line 369, in indexCurve
    p.z = zOrder(p.x, p.y, minX, minY, size)
  File ".../earcut/earcut.py", line 458, in zOrder
    x = (x | (x << 8)) & 0x00FF00FF
TypeError: unsupported operand type(s) for <<: 'float' and 'int'```

PyPI release?

Hi - I found your library very useful for my last PyWeek entry What The Frog?!.

But I ended up having to vendor the library (as a git submodule).

Have you thought about creating a PyPI package for it?

TypeError: 'module' object is not callable

Steps to reproduce:
Install the package from pypi:
pip3 install earcut

Import and run example from the README.md file:

>>> import earcut
>>> triangles = earcut([10, 0, 0, 50, 60, 60, 70, 10])
Traceback (most recent call last):
    File "<input>", line 1, in <module>
        earcut([10, 0, 0, 50, 60, 70, 10])
TypeError 'module' object is not callable

Expected output:

[1, 0, 3, 3, 2, 1]

pip show earcut

Name: earcut
Version: 1.1.4
Summary: A pure Python port of the earcut JS triangulation library
Home-page: https://github.com/MetacitySuite/earcut-python
Author: Metacity
Author-email: 
License: ISC
Location: /home/rtfm/.local/lib/python3.10/site-packages
Requires: numpy
Required-by:

The referenced Location discussed in #1 and introduced by @vojtatom is not available any more.

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