--- a/env/lib/python3.7/site-packages/prov/serializers/provn.py	Thu May 14 16:47:39 2020 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,31 +0,0 @@
-from __future__ import (absolute_import, division, print_function,
-                        unicode_literals)
-
-__author__ = 'Trung Dong Huynh'
-__email__ = 'trungdong@donggiang.com'
-
-import io
-import logging
-logger = logging.getLogger(__name__)
-
-from prov.serializers import Serializer
-
-
-class ProvNSerializer(Serializer):
-    """PROV-N serializer for ProvDocument
-
-    """
-    def serialize(self, stream, **kwargs):
-        """
-        Serializes a :class:`prov.model.ProvDocument` instance to a
-        `PROV-N <http://www.w3.org/TR/prov-n/>`_.
-
-        :param stream: Where to save the output.
-        """
-        provn_content = self.document.get_provn()
-        if isinstance(stream, io.BytesIO):
-            provn_content = provn_content.encode('utf-8')
-        stream.write(provn_content)
-
-    def deserialize(self, stream, **kwargs):
-        raise NotImplementedError