Eliminado venv y www del repositorio, agrege un requirements igual

venv/lib/python3.8/site-packages/pip/_internal/utils/encoding.py

@@ -32,7 +32,9 @@ def auto_decode(data):
     # Lets check the first two lines as in PEP263
     for line in data.split(b'\n')[:2]:
         if line[0:1] == b'#' and ENCODING_RE.search(line):
-            encoding = ENCODING_RE.search(line).groups()[0].decode('ascii')
+            result = ENCODING_RE.search(line)
+            assert result is not None
+            encoding = result.groups()[0].decode('ascii')
             return data.decode(encoding)
     return data.decode(
         locale.getpreferredencoding(False) or sys.getdefaultencoding(),