Eliminado venv y www del repositorio, agrege un requirements igual

venv/lib/python3.8/site-packages/setuptools/command/build_ext.py

@@ -14,7 +14,8 @@ from setuptools.extern import six
 if six.PY2:
     import imp
 
-    EXTENSION_SUFFIXES = [s for s, _, tp in imp.get_suffixes() if tp == imp.C_EXTENSION]
+    EXTENSION_SUFFIXES = [
+        s for s, _, tp in imp.get_suffixes() if tp == imp.C_EXTENSION]
 else:
     from importlib.machinery import EXTENSION_SUFFIXES
 
@@ -29,7 +30,7 @@ except ImportError:
 
 # make sure _config_vars is initialized
 get_config_var("LDSHARED")
-from distutils.sysconfig import _config_vars as _CONFIG_VARS
+from distutils.sysconfig import _config_vars as _CONFIG_VARS  # noqa
 
 
 def _customize_compiler_for_shlib(compiler):
@@ -65,7 +66,9 @@ elif os.name != 'nt':
     except ImportError:
         pass
 
-if_dl = lambda s: s if have_rtld else ''
+
+def if_dl(s):
+    return s if have_rtld else ''
 
 
 def get_abi3_suffix():
@@ -113,7 +116,7 @@ class build_ext(_build_ext):
         if fullname in self.ext_map:
             ext = self.ext_map[fullname]
             use_abi3 = (
-                six.PY3
+                not six.PY2
                 and getattr(ext, 'py_limited_api')
                 and get_abi3_suffix()
             )
@@ -251,7 +254,8 @@ class build_ext(_build_ext):
                 '\n'.join([
                     "def __bootstrap__():",
                     "   global __bootstrap__, __file__, __loader__",
-                    "   import sys, os, pkg_resources, imp" + if_dl(", dl"),
+                    "   import sys, os, pkg_resources" + if_dl(", dl"),
+                    "   from importlib.machinery import ExtensionFileLoader",
                     "   __file__ = pkg_resources.resource_filename"
                     "(__name__,%r)"
                     % os.path.basename(ext._file_name),
@@ -263,7 +267,8 @@ class build_ext(_build_ext):
                     "   try:",
                     "     os.chdir(os.path.dirname(__file__))",
                     if_dl("     sys.setdlopenflags(dl.RTLD_NOW)"),
-                    "     imp.load_dynamic(__name__,__file__)",
+                    "     ExtensionFileLoader(__name__,",
+                    "                         __file__).load_module()",
                     "   finally:",
                     if_dl("     sys.setdlopenflags(old_flags)"),
                     "     os.chdir(old_dir)",