trivial py3 conversion of tools

4 files changed, 10 insertions, 2 deletions

diff --git a/rdflib/tools/graphisomorphism.py b/rdflib/tools/graphisomorphism.py
index 09518110..9ecab86b 100644
--- a/rdflib/tools/graphisomorphism.py
+++ b/rdflib/tools/graphisomorphism.py
@@ -3,7 +3,9 @@ A commandline tool for testing if RDF graphs are isomorpic, i.e. equal
 if BNode labels are ignored.
 """
 
-from rdflib.graph import Graph
+from __future__ import absolute_import
+
+from rdflib import Graph
 from rdflib import BNode
 from itertools import combinations
 
@@ -39,7 +41,7 @@ class IsomorphicTestableGraph(Graph):
                 yield tuple(self.vhashtriple(t, term, done))
 
     def vhashtriple(self, triple, term, done):
-        for p in xrange(3):
+        for p in range(3):
             if not isinstance(triple[p], BNode):
                 yield triple[p]
             elif done or (triple[p] == term):
diff --git a/rdflib/tools/rdf2dot.py b/rdflib/tools/rdf2dot.py
index 9a8fd49f..9c098786 100644
--- a/rdflib/tools/rdf2dot.py
+++ b/rdflib/tools/rdf2dot.py
@@ -9,6 +9,8 @@ You can draw the graph of an RDF file directly:
 
 """
 
+from __future__ import absolute_import
+
 import rdflib
 import rdflib.extras.cmdlineutils
 
diff --git a/rdflib/tools/rdfpipe.py b/rdflib/tools/rdfpipe.py
index 9fb4b3b9..b7a56453 100644
--- a/rdflib/tools/rdfpipe.py
+++ b/rdflib/tools/rdfpipe.py
@@ -5,6 +5,8 @@ A commandline tool for parsing RDF in different formats and serializing the
 resulting graph to a chosen format.
 """
 
+from __future__ import absolute_import
+
 import sys
 from optparse import OptionParser
 import logging
diff --git a/rdflib/tools/rdfs2dot.py b/rdflib/tools/rdfs2dot.py
index 3ffde041..15857a6b 100644
--- a/rdflib/tools/rdfs2dot.py
+++ b/rdflib/tools/rdfs2dot.py
@@ -9,6 +9,8 @@ You can draw the graph of an RDFS file directly:
    rdf2dot my_rdfs_file.rdf | dot -Tpng | display
 """
 
+from __future__ import absolute_import
+
 import rdflib.extras.cmdlineutils
 
 import sys