Use updated Levenshtein upstream with pypy compatibility

README.rst

@@ -11,7 +11,7 @@ Requirements
 
 -  Python 3.7 or higher
 -  difflib
--  `python-Levenshtein <https://github.com/ztane/python-Levenshtein/>`_ (optional, provides a 4-10x speedup in String
+-  `Levenshtein <https://pypi.org/project/Levenshtein/>`_ (optional, provides a 4-10x speedup in String
    Matching, though may result in `differing results for certain cases <https://github.com/seatgeek/fuzzywuzzy/issues/128>`_)
 
 For testing
@@ -29,7 +29,7 @@ Using PIP via PyPI
 
     pip install thefuzz
 
-or the following to install `python-Levenshtein` too
+or the following to install `Levenshtein` too
 
 .. code:: bash
 

setup.py

@@ -23,7 +23,7 @@ def open_file(fname):
     author='Adam Cohen',
     author_email='[email protected]',
     packages=['thefuzz'],
-    extras_require={'speedup': ['python-levenshtein>=0.12']},
+    extras_require={'speedup': ['Levenshtein']},
     url='https://github.com/seatgeek/thefuzz',
     license="GPLv2",
     classifiers=[

thefuzz/fuzz.py

@@ -1,12 +1,10 @@
 #!/usr/bin/env python
-import platform
 import warnings
 
 try:
-    from .StringMatcher import StringMatcher as SequenceMatcher
+    from Levenshtein.StringMatcher import StringMatcher as SequenceMatcher
 except ImportError:
-    if platform.python_implementation() != "PyPy":
-        warnings.warn('Using slow pure-python SequenceMatcher. Install python-Levenshtein to remove this warning')
+    warnings.warn('Using slow pure-python SequenceMatcher. Run `pip install Levenshtein` to remove this warning')
     from difflib import SequenceMatcher
 
 from . import utils