Merge pull request #12 from videlec/py2-py3

Py2 py3
flatsurf · Jul 17, 2023 · 72b63f0 · 72b63f0
2 parents 85a23ab + 6a13e24
commit 72b63f0
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Showing 9 changed files with 2 additions and 20 deletions.
diff --git a/README.rst b/README.rst
@@ -10,8 +10,7 @@ M. Bell, V. Delecroix, V. Gadre, R. Gutiérrez-Romo, S. Schleimer,
 "Coding Teichmüller flow using veering triangulations",
 `arXiv:1909.00890 <https://arxiv.org/abs/1909.00890>`_.
 
-To install the module you need Python (preferably version 3 but Python 2 is
-supported).
+To install the module you need Python 3.
 
 Additional features are available if this module is used inside
 `SageMath <https://www.sagemath.org/>`_.

diff --git a/veerer/__init__.py b/veerer/__init__.py
@@ -4,7 +4,6 @@
 A Python module to deal with Veering triangulation and L^infinity
 Delaunay decomposition of surfaces.
 """
-from __future__ import absolute_import
 
 from .constants import RED, BLUE, PURPLE, GREEN, HORIZONTAL, VERTICAL, RIGHT, LEFT, UP, DOWN
 from .triangulation import Triangulation
@@ -19,4 +18,4 @@
     from .layout import FlatVeeringTriangulationLayout
     from .measured_train_track import MeasuredTrainTrack
 
-del sage, absolute_import
+del sage
diff --git a/veerer/automaton.py b/veerer/automaton.py
@@ -1,8 +1,6 @@
 r"""
 Train-track and triangulations automata.
 """
-from __future__ import print_function, absolute_import
-from six.moves import range, map, filter, zip
 
 import os
 import sys

diff --git a/veerer/cover.py b/veerer/cover.py
@@ -2,9 +2,6 @@
 Covering of triangulations
 """
 
-from __future__ import absolute_import, print_function
-from six.moves import range, map, zip
-
 from array import array
 
 from .permutation import *

diff --git a/veerer/flip_sequence.py b/veerer/flip_sequence.py
@@ -55,8 +55,6 @@
 # along with veerer. If not, see <https://www.gnu.org/licenses/>.
 ######################################################################
 
-from __future__ import absolute_import
-
 from .constants import colour_from_char, colour_to_char, RED, BLUE, PURPLE, GREEN, HORIZONTAL, VERTICAL
 from .permutation import perm_init, perm_check, perm_id, perm_is_one, perm_preimage, perm_invert, perm_cycle_string, perm_compose, perm_pow, perm_conjugate
 from .veering_triangulation import VeeringTriangulation

diff --git a/veerer/misc.py b/veerer/misc.py
@@ -2,9 +2,6 @@
 Utility functions.
 """
 
-from __future__ import print_function, absolute_import
-from six.moves import range, map, filter, zip
-
 from .env import ppl
 
 def det2(u, v):

diff --git a/veerer/permutation.py b/veerer/permutation.py
@@ -10,8 +10,6 @@
   such array should not be allocated each time the function
   is called.
 """
-from __future__ import absolute_import, print_function
-from six.moves import range, map, filter, zip
 
 from array import array
 from math import log

diff --git a/veerer/triangulation.py b/veerer/triangulation.py
@@ -1,8 +1,6 @@
 r"""
 Triangulation of surfaces.
 """
-from __future__ import absolute_import, print_function
-from six.moves import range, map, filter, zip
 
 from array import array
 from .permutation import *

diff --git a/veerer/veering_triangulation.py b/veerer/veering_triangulation.py
@@ -5,8 +5,6 @@
 to folded edges). It is said to be in canonical form if it starts with cycle
 representatives.
 """
-from __future__ import print_function, absolute_import
-from six.moves import range, map, filter, zip
 
 import numbers