diff --git a/src/sage/interfaces/axiom.py b/src/sage/interfaces/axiom.py
index 0dffe1d928a..32012f7661b 100644
--- a/src/sage/interfaces/axiom.py
+++ b/src/sage/interfaces/axiom.py
@@ -176,11 +176,12 @@
 #                  http://www.gnu.org/licenses/
 ###########################################################################
 from __future__ import print_function
+from __future__ import absolute_import
 
 import os
 import re
 
-from expect import Expect, ExpectElement, FunctionElement, ExpectFunction
+from .expect import Expect, ExpectElement, FunctionElement, ExpectFunction
 from sage.misc.all import verbose
 from sage.env import DOT_SAGE
 from pexpect import EOF
diff --git a/src/sage/interfaces/expect.py b/src/sage/interfaces/expect.py
index 2067843bd05..8149e1ee097 100644
--- a/src/sage/interfaces/expect.py
+++ b/src/sage/interfaces/expect.py
@@ -39,14 +39,15 @@
 #                  http://www.gnu.org/licenses/
 #*****************************************************************************
 from __future__ import print_function
+from __future__ import absolute_import
 
 import os
 import sys
 import weakref
 import time
 import gc
-import quit
-import cleaner
+from . import quit
+from . import cleaner
 import six
 from random import randrange
 
diff --git a/src/sage/interfaces/fricas.py b/src/sage/interfaces/fricas.py
index 726d7432804..ba690652b76 100644
--- a/src/sage/interfaces/fricas.py
+++ b/src/sage/interfaces/fricas.py
@@ -153,8 +153,9 @@
 #                  http://www.gnu.org/licenses/
 ###########################################################################
 from __future__ import print_function
+from __future__ import absolute_import
 
-from axiom import PanAxiom, PanAxiomElement, PanAxiomFunctionElement, PanAxiomExpectFunction
+from .axiom import PanAxiom, PanAxiomElement, PanAxiomFunctionElement, PanAxiomExpectFunction
 
 
 class FriCAS(PanAxiom):
diff --git a/src/sage/interfaces/gap.py b/src/sage/interfaces/gap.py
index 6aa65fe6bb6..8b96ae0b24d 100644
--- a/src/sage/interfaces/gap.py
+++ b/src/sage/interfaces/gap.py
@@ -175,8 +175,9 @@
 #                  http://www.gnu.org/licenses/
 #*****************************************************************************
 from __future__ import print_function
+from __future__ import absolute_import
 
-from expect import Expect, ExpectElement, FunctionElement, ExpectFunction
+from .expect import Expect, ExpectElement, FunctionElement, ExpectFunction
 from sage.env import SAGE_LOCAL, SAGE_EXTCODE, DOT_SAGE
 from sage.misc.misc import is_in_string
 from sage.misc.superseded import deprecation
diff --git a/src/sage/interfaces/gp.py b/src/sage/interfaces/gp.py
index 2d0e4c10f17..511ab1370d7 100644
--- a/src/sage/interfaces/gp.py
+++ b/src/sage/interfaces/gp.py
@@ -139,8 +139,9 @@
 #
 ##########################################################################
 from __future__ import print_function
+from __future__ import absolute_import
 
-from expect import Expect, ExpectElement, ExpectFunction, FunctionElement
+from .expect import Expect, ExpectElement, ExpectFunction, FunctionElement
 from sage.misc.misc import verbose
 from sage.interfaces.tab_completion import ExtraTabCompletion
 from sage.libs.pari.all import pari
diff --git a/src/sage/interfaces/kash.py b/src/sage/interfaces/kash.py
index 127f20d051d..80efd6a6516 100644
--- a/src/sage/interfaces/kash.py
+++ b/src/sage/interfaces/kash.py
@@ -430,8 +430,9 @@
 #                  http://www.gnu.org/licenses/
 #*****************************************************************************
 from __future__ import print_function
+from __future__ import absolute_import
 
-from expect import Expect, ExpectElement
+from .expect import Expect, ExpectElement
 import os
 
 class Kash(Expect):
diff --git a/src/sage/interfaces/lie.py b/src/sage/interfaces/lie.py
index 47f8e56a4f2..6d8309cb316 100644
--- a/src/sage/interfaces/lie.py
+++ b/src/sage/interfaces/lie.py
@@ -286,8 +286,9 @@
 #
 ##########################################################################
 from __future__ import print_function
+from __future__ import absolute_import
 
-from expect import Expect, ExpectElement, ExpectFunction, FunctionElement, AsciiArtString
+from .expect import Expect, ExpectElement, ExpectFunction, FunctionElement, AsciiArtString
 from sage.misc.all import prod
 from sage.env import DOT_SAGE, SAGE_LOCAL
 from sage.interfaces.tab_completion import ExtraTabCompletion
diff --git a/src/sage/interfaces/lisp.py b/src/sage/interfaces/lisp.py
index 9e2b139a2e2..c40efacccd8 100644
--- a/src/sage/interfaces/lisp.py
+++ b/src/sage/interfaces/lisp.py
@@ -40,6 +40,7 @@
     -- William Stein (first version)
     -- William Stein (2007-06-20): significant improvements.
 """
+from __future__ import absolute_import
 
 ##########################################################################
 #
@@ -53,7 +54,7 @@
 
 import random
 
-from expect import Expect, ExpectElement, ExpectFunction, FunctionElement, gc_disabled
+from .expect import Expect, ExpectElement, ExpectFunction, FunctionElement, gc_disabled
 from sage.structure.element import RingElement, parent
 
 class Lisp(Expect):
diff --git a/src/sage/interfaces/magma.py b/src/sage/interfaces/magma.py
index 410fe14873a..3ba63b5a619 100644
--- a/src/sage/interfaces/magma.py
+++ b/src/sage/interfaces/magma.py
@@ -212,12 +212,13 @@
 #                  http://www.gnu.org/licenses/
 #*****************************************************************************
 from __future__ import print_function
+from __future__ import absolute_import
 
 import re
 import sys
 
 from sage.structure.parent import Parent
-from expect import console, Expect, ExpectElement, ExpectFunction, FunctionElement
+from .expect import console, Expect, ExpectElement, ExpectFunction, FunctionElement
 PROMPT = ">>>"
 
 SAGE_REF = "_sage_ref"
diff --git a/src/sage/interfaces/maple.py b/src/sage/interfaces/maple.py
index 2e162739f72..e669bc78494 100644
--- a/src/sage/interfaces/maple.py
+++ b/src/sage/interfaces/maple.py
@@ -235,10 +235,11 @@
 #                  http://www.gnu.org/licenses/
 #############################################################################
 from __future__ import print_function
+from __future__ import absolute_import
 
 import os
 
-from expect import Expect, ExpectElement, ExpectFunction, FunctionElement, gc_disabled
+from .expect import Expect, ExpectElement, ExpectFunction, FunctionElement, gc_disabled
 
 import pexpect
 
diff --git a/src/sage/interfaces/matlab.py b/src/sage/interfaces/matlab.py
index a0242e1749c..39d6219989d 100644
--- a/src/sage/interfaces/matlab.py
+++ b/src/sage/interfaces/matlab.py
@@ -147,10 +147,11 @@
 #                  http://www.gnu.org/licenses/
 ##############################################################################
 from __future__ import print_function
+from __future__ import absolute_import
 
 import os
 
-from expect import Expect, ExpectElement
+from .expect import Expect, ExpectElement
 
 
 #import sage.matrix.matrix_space
diff --git a/src/sage/interfaces/maxima.py b/src/sage/interfaces/maxima.py
index d4804f676a7..cda8532b7b0 100644
--- a/src/sage/interfaces/maxima.py
+++ b/src/sage/interfaces/maxima.py
@@ -464,6 +464,7 @@
 #                  http://www.gnu.org/licenses/
 #*****************************************************************************
 from __future__ import print_function
+from __future__ import absolute_import
 
 import os
 import re
@@ -476,10 +477,10 @@
 
 ##import sage.rings.all
 
-from expect import (Expect, ExpectElement, FunctionElement,
+from .expect import (Expect, ExpectElement, FunctionElement,
                     ExpectFunction, gc_disabled)
 
-from maxima_abstract import (MaximaAbstract, MaximaAbstractFunction,
+from .maxima_abstract import (MaximaAbstract, MaximaAbstractFunction,
                              MaximaAbstractElement,
                              MaximaAbstractFunctionElement,
                              MaximaAbstractElementFunction)
diff --git a/src/sage/interfaces/maxima_abstract.py b/src/sage/interfaces/maxima_abstract.py
index 34c660630c4..6ff638aa610 100644
--- a/src/sage/interfaces/maxima_abstract.py
+++ b/src/sage/interfaces/maxima_abstract.py
@@ -49,6 +49,7 @@
 #                  http://www.gnu.org/licenses/
 #*****************************************************************************
 from __future__ import print_function
+from __future__ import absolute_import
 
 import os
 import re
@@ -64,7 +65,7 @@
 
 ##import sage.rings.all
 
-from interface import (Interface, InterfaceElement, InterfaceFunctionElement,
+from .interface import (Interface, InterfaceElement, InterfaceFunctionElement,
   InterfaceFunction, AsciiArtString)
 from sage.interfaces.tab_completion import ExtraTabCompletion
 
diff --git a/src/sage/interfaces/maxima_lib.py b/src/sage/interfaces/maxima_lib.py
index 87596dca473..a2fb5f5f939 100644
--- a/src/sage/interfaces/maxima_lib.py
+++ b/src/sage/interfaces/maxima_lib.py
@@ -85,12 +85,13 @@
 #                  http://www.gnu.org/licenses/
 #*****************************************************************************
 from __future__ import print_function
+from __future__ import absolute_import
 
 from sage.symbolic.ring import SR
 
 from sage.libs.ecl import EclObject, ecl_eval
 
-from maxima_abstract import (MaximaAbstract, MaximaAbstractFunction,
+from .maxima_abstract import (MaximaAbstract, MaximaAbstractFunction,
   MaximaAbstractElement, MaximaAbstractFunctionElement,
   MaximaAbstractElementFunction)
 
diff --git a/src/sage/interfaces/mupad.py b/src/sage/interfaces/mupad.py
index 3e10d63b889..f738524e789 100644
--- a/src/sage/interfaces/mupad.py
+++ b/src/sage/interfaces/mupad.py
@@ -90,10 +90,11 @@
 #                  http://www.gnu.org/licenses/
 #############################################################################
 from __future__ import print_function
+from __future__ import absolute_import
 
 import os
 
-from expect import (Expect, ExpectElement, ExpectFunction,
+from .expect import (Expect, ExpectElement, ExpectFunction,
                     FunctionElement, AsciiArtString)
 from sage.interfaces.tab_completion import ExtraTabCompletion
 
diff --git a/src/sage/interfaces/mwrank.py b/src/sage/interfaces/mwrank.py
index 369ab4f1e5e..9d9bd6cbcaa 100644
--- a/src/sage/interfaces/mwrank.py
+++ b/src/sage/interfaces/mwrank.py
@@ -17,10 +17,11 @@
 #                  http://www.gnu.org/licenses/
 #*****************************************************************************
 from __future__ import print_function
+from __future__ import absolute_import
 
 import os
 import weakref
-from expect import Expect
+from .expect import Expect
 
 instances={}
 def Mwrank(options="", server=None, server_tmpdir=None):
diff --git a/src/sage/interfaces/octave.py b/src/sage/interfaces/octave.py
index 3fac4c9c50a..cfbbceba3bc 100644
--- a/src/sage/interfaces/octave.py
+++ b/src/sage/interfaces/octave.py
@@ -151,9 +151,10 @@
 #                  http://www.gnu.org/licenses/
 #*****************************************************************************
 from __future__ import print_function
+from __future__ import absolute_import
 
 import os
-from expect import Expect, ExpectElement
+from .expect import Expect, ExpectElement
 
 
 class Octave(Expect):
diff --git a/src/sage/interfaces/psage.py b/src/sage/interfaces/psage.py
index ff8b1501456..e567996fae7 100644
--- a/src/sage/interfaces/psage.py
+++ b/src/sage/interfaces/psage.py
@@ -40,11 +40,12 @@
      9623 * 68492481833 * 23579543011798993222850893929565870383844167873851502677311057483194673]
 """
 from __future__ import print_function
+from __future__ import absolute_import
 
 import os
 import time
 
-from sage0 import Sage, SageElement
+from .sage0 import Sage, SageElement
 from pexpect import ExceptionPexpect
 
 number = 0
diff --git a/src/sage/interfaces/qepcad.py b/src/sage/interfaces/qepcad.py
index 06ca3b8cfb2..9ca8855acee 100644
--- a/src/sage/interfaces/qepcad.py
+++ b/src/sage/interfaces/qepcad.py
@@ -604,6 +604,7 @@
 #                  http://www.gnu.org/licenses/
 #*****************************************************************************
 from __future__ import print_function
+from __future__ import absolute_import
 
 from sage.env import SAGE_LOCAL
 import pexpect
@@ -615,7 +616,7 @@
 from sage.repl.preparse import implicit_mul
 from sage.interfaces.tab_completion import ExtraTabCompletion
 
-from expect import Expect, ExpectFunction, AsciiArtString
+from .expect import Expect, ExpectFunction, AsciiArtString
 
 def _qepcad_atoms(formula):
     r"""
diff --git a/src/sage/interfaces/qsieve.py b/src/sage/interfaces/qsieve.py
index 9bfffe85fdc..c99249d2656 100644
--- a/src/sage/interfaces/qsieve.py
+++ b/src/sage/interfaces/qsieve.py
@@ -2,6 +2,7 @@
 Interface to Bill Hart's Quadratic Sieve
 """
 from __future__ import print_function
+from __future__ import absolute_import
 
 import os
 
@@ -132,7 +133,7 @@ def data_to_list(out, n, time):
 
 from sage.interfaces.sagespawn import SageSpawn
 import pexpect
-import cleaner
+from . import cleaner
 class qsieve_nonblock:
     """
     A non-blocking version of Hart's quadratic sieve.
diff --git a/src/sage/interfaces/r.py b/src/sage/interfaces/r.py
index b9561102dfc..f8eda3b8d46 100644
--- a/src/sage/interfaces/r.py
+++ b/src/sage/interfaces/r.py
@@ -264,8 +264,9 @@
 #
 ##########################################################################
 from __future__ import print_function
+from __future__ import absolute_import
 
-from expect import Expect, ExpectElement, ExpectFunction, FunctionElement
+from .expect import Expect, ExpectElement, ExpectFunction, FunctionElement
 from sage.env import DOT_SAGE
 import re
 import six
diff --git a/src/sage/interfaces/rubik.py b/src/sage/interfaces/rubik.py
index b5f3583c20a..6dfe986be11 100644
--- a/src/sage/interfaces/rubik.py
+++ b/src/sage/interfaces/rubik.py
@@ -33,10 +33,11 @@
 #                  http://www.gnu.org/licenses/
 ########################################################################
 from __future__ import print_function
+from __future__ import absolute_import
 
 import pexpect
 import time
-import cleaner
+from . import cleaner
 
 from sage.groups.perm_gps.cubegroup import index2singmaster
 
diff --git a/src/sage/interfaces/sage0.py b/src/sage/interfaces/sage0.py
index 3270dffd057..87bfc0bd649 100644
--- a/src/sage/interfaces/sage0.py
+++ b/src/sage/interfaces/sage0.py
@@ -4,6 +4,7 @@
 This is an expect interface to *another* copy of the Sage
 interpreter.
 """
+from __future__ import absolute_import
 
 #*****************************************************************************
 #       Copyright (C) 2005 William Stein <wstein@gmail.com>
@@ -18,7 +19,7 @@
 import cPickle
 import os
 
-from expect import Expect, ExpectElement, FunctionElement
+from .expect import Expect, ExpectElement, FunctionElement
 import sage.repl.preparse
 
 from sage.interfaces.tab_completion import ExtraTabCompletion
diff --git a/src/sage/interfaces/scilab.py b/src/sage/interfaces/scilab.py
index 5dc183fb24a..f746132cbac 100644
--- a/src/sage/interfaces/scilab.py
+++ b/src/sage/interfaces/scilab.py
@@ -187,10 +187,11 @@
 #                  http://www.gnu.org/licenses/
 ##############################################################################
 from __future__ import print_function
+from __future__ import absolute_import
 
 import os
 
-from expect import Expect, ExpectElement
+from .expect import Expect, ExpectElement
 
 
 class Scilab(Expect):
diff --git a/src/sage/interfaces/singular.py b/src/sage/interfaces/singular.py
index 87abf5a1a83..a9fac740c30 100644
--- a/src/sage/interfaces/singular.py
+++ b/src/sage/interfaces/singular.py
@@ -316,6 +316,7 @@
 #                  http://www.gnu.org/licenses/
 #*****************************************************************************
 from __future__ import print_function
+from __future__ import absolute_import
 
 import os
 import re
@@ -323,7 +324,7 @@
 import pexpect
 from time import sleep
 
-from expect import Expect, ExpectElement, FunctionElement, ExpectFunction
+from .expect import Expect, ExpectElement, FunctionElement, ExpectFunction
 
 from sage.interfaces.tab_completion import ExtraTabCompletion
 from sage.structure.sequence import Sequence
diff --git a/src/sage/interfaces/tests.py b/src/sage/interfaces/tests.py
index 4e97a30d42e..e41f15c1bce 100644
--- a/src/sage/interfaces/tests.py
+++ b/src/sage/interfaces/tests.py
@@ -43,8 +43,9 @@
     0
 """
 from __future__ import print_function
+from __future__ import absolute_import
 
-from all import *
+from .all import *
 from sage.misc.misc import cputime, walltime
 import sys