6 files changed, 13 insertions, 9 deletions
diff --git a/rdflib/plugins/serializers/nquads.py b/rdflib/plugins/serializers/nquads.py
index 54ee42ba..650cafc3 100644
--- a/rdflib/plugins/serializers/nquads.py
+++ b/rdflib/plugins/serializers/nquads.py
@@ -28,7 +28,7 @@ class NQuadsSerializer(Serializer):
                 stream.write(
                     _nq_row(triple, context.identifier).encode(encoding, "replace")
                 )
-        stream.write("\n".encode("latin-1"))
+        stream.write(b'\n')
 
 
 def _nq_row(triple, context):
diff --git a/rdflib/plugins/serializers/nt.py b/rdflib/plugins/serializers/nt.py
index bc265ee5..5eb49f52 100644
--- a/rdflib/plugins/serializers/nt.py
+++ b/rdflib/plugins/serializers/nt.py
@@ -19,17 +19,21 @@ class NTSerializer(Serializer):
 
     def __init__(self, store):
         Serializer.__init__(self, store)
-        self.encoding = "ascii"  # n-triples are ascii encoded
+        # n-triples v1.0 files are ascii encoded
+        self.encoding = "ascii"
 
     def serialize(self, stream, base=None, encoding=None, **args):
         if base is not None:
             warnings.warn("NTSerializer does not support base.")
-        if encoding is not None and encoding.lower() != self.encoding.lower():
-            warnings.warn("NTSerializer does not use custom encoding.")
+        if encoding is not None:
+            if encoding == "latin-1":
+                encoding = "ascii"
+            if encoding.lower() != self.encoding.lower():
+                warnings.warn("NTSerializer does not use custom encoding.")
         encoding = self.encoding
         for triple in self.store:
             stream.write(_nt_row(triple).encode(self.encoding, "_rdflib_nt_escape"))
-        stream.write("\n".encode("latin-1"))
+        stream.write(b'\n')
 
 
 class NT11Serializer(NTSerializer):
diff --git a/rdflib/plugins/serializers/rdfxml.py b/rdflib/plugins/serializers/rdfxml.py
index d7c70849..9617ad50 100644
--- a/rdflib/plugins/serializers/rdfxml.py
+++ b/rdflib/plugins/serializers/rdfxml.py
@@ -213,7 +213,7 @@ class PrettyXMLSerializer(Serializer):
                 self.subject(subject, 1)
 
         writer.pop(RDF.RDF)
-        stream.write("\n".encode("latin-1"))
+        stream.write(b'\n')
 
         # Set to None so that the memory can get garbage collected.
         self.__serialized = None
diff --git a/rdflib/plugins/serializers/trig.py b/rdflib/plugins/serializers/trig.py
index cdaedd48..fab0142a 100644
--- a/rdflib/plugins/serializers/trig.py
+++ b/rdflib/plugins/serializers/trig.py
@@ -97,4 +97,4 @@ class TrigSerializer(TurtleSerializer):
             self.write("}\n")
 
         self.endDocument()
-        stream.write("\n".encode("latin-1"))
+        stream.write(b'\n')
diff --git a/rdflib/plugins/serializers/trix.py b/rdflib/plugins/serializers/trix.py
index 05b6f528..28abefea 100644
--- a/rdflib/plugins/serializers/trix.py
+++ b/rdflib/plugins/serializers/trix.py
@@ -45,7 +45,7 @@ class TriXSerializer(Serializer):
             raise Exception("Unknown graph type: " + type(self.store))
 
         self.writer.pop()
-        stream.write("\n".encode("latin-1"))
+        stream.write(b'\n')
 
     def _writeGraph(self, graph):
         self.writer.push(TRIXNS["graph"])
diff --git a/rdflib/plugins/serializers/turtle.py b/rdflib/plugins/serializers/turtle.py
index 8ec9b479..9633b5b9 100644
--- a/rdflib/plugins/serializers/turtle.py
+++ b/rdflib/plugins/serializers/turtle.py
@@ -250,7 +250,7 @@ class TurtleSerializer(RecursiveSerializer):
                 self.write("\n")
 
         self.endDocument()
-        stream.write("\n".encode("latin-1"))
+        stream.write(b'\n')
 
         self.base = None