--- a/env/lib/python3.7/site-packages/rdflib/plugins/serializers/trig.py	Thu May 14 16:47:39 2020 -0400
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,93 +0,0 @@
-"""
-Trig RDF graph serializer for RDFLib.
-See <http://www.w3.org/TR/trig/> for syntax specification.
-"""
-
-from collections import defaultdict
-
-from rdflib.plugins.serializers.turtle import TurtleSerializer, _GEN_QNAME_FOR_DT, VERB
-
-from rdflib.term import BNode, Literal
-
-__all__ = ['TrigSerializer']
-
-
-class TrigSerializer(TurtleSerializer):
-
-    short_name = "trig"
-    indentString = 4 * ' '
-
-    def __init__(self, store):
-        if store.context_aware:
-            self.contexts = list(store.contexts())
-            self.default_context = store.default_context.identifier
-            if store.default_context:
-                self.contexts.append(store.default_context)
-        else:
-            self.contexts = [store]
-            self.default_context = None
-
-        super(TrigSerializer, self).__init__(store)
-
-    def preprocess(self):
-        for context in self.contexts:
-            self.store = context
-            self.getQName(context.identifier)
-            self._references = defaultdict(int)
-            self._subjects = {}
-
-            for triple in context:
-                self.preprocessTriple(triple)
-
-            self._contexts[context]=(self.orderSubjects(), self._subjects, self._references)
-
-    def reset(self):
-        super(TrigSerializer, self).reset()
-        self._contexts = {}
-
-    def serialize(self, stream, base=None, encoding=None,
-                  spacious=None, **args):
-        self.reset()
-        self.stream = stream
-        self.base = base
-
-        if spacious is not None:
-            self._spacious = spacious
-
-        self.preprocess()
-
-        self.startDocument()
-
-        firstTime = True
-        for store, (ordered_subjects, subjects, ref) in list(self._contexts.items()):
-            if not ordered_subjects: continue
-
-            self._references = ref
-            self._serialized = {}
-            self.store = store
-            self._subjects = subjects
-
-            if self.default_context and store.identifier==self.default_context:
-                self.write(self.indent() + '\n{')
-            else:
-                if isinstance(store.identifier, BNode):
-                    iri = store.identifier.n3()
-                else:
-                    iri = self.getQName(store.identifier)
-                    if iri is None:
-                        iri = store.identifier.n3()
-                self.write(self.indent() + '\n%s {' % iri)
-
-            self.depth += 1
-            for subject in ordered_subjects:
-                if self.isDone(subject):
-                    continue
-                if firstTime:
-                    firstTime = False
-                if self.statement(subject) and not firstTime:
-                    self.write('\n')
-            self.depth -= 1
-            self.write('}\n')
-
-        self.endDocument()
-        stream.write("\n".encode('ascii'))