Drop support for EOL Python 2.6 and 3.2-2.4 (#87)

* Drop support for EOL Python 2.6 and 3.2-3.4

* Remove duplicate class

* Upgrade Python syntax with pyupgrade

* Upgrade PyPy and PyPy3 and test 3.8 beta

4 files changed, 7 insertions, 22 deletions

diff --git a/.travis.yml b/.travis.yml
index 5e311a5..a393a66 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,12 +3,12 @@ dist: xenial
 
 python:
   - "2.7"
-  - "3.4"
   - "3.5"
   - "3.6"
   - "3.7"
-  - "pypy2.7-6.0"
-  - "pypy3.5-6.0"
+  - "3.8-dev"
+  - "pypy"
+  - "pypy3"
 
 install:
   - pip install pip -U
diff --git a/setup.py b/setup.py
index 83fcf63..00a7f4b 100755
--- a/setup.py
+++ b/setup.py
@@ -24,12 +24,9 @@ classifiers = [
     'License :: OSI Approved :: MIT License',
     'Operating System :: OS Independent',
     'Programming Language :: Python',
-    'Programming Language :: Python :: 2.6',
+    'Programming Language :: Python :: 2',
     'Programming Language :: Python :: 2.7',
     'Programming Language :: Python :: 3',
-    'Programming Language :: Python :: 3.2',
-    'Programming Language :: Python :: 3.3',
-    'Programming Language :: Python :: 3.4',
     'Programming Language :: Python :: 3.5',
     'Programming Language :: Python :: 3.6',
     'Programming Language :: Python :: 3.7',
@@ -68,6 +65,7 @@ setup(
     packages=find_packages(exclude=EXCLUDE_FROM_PACKAGES),
     install_requires=install_requires,
     extras_require=extras_require,
+    python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*',
     classifiers=classifiers,
     entry_points={'console_scripts': ['slugify=slugify.slugify:main']},
 )
diff --git a/slugify/slugify.py b/slugify/slugify.py
index 6e66ace..4268fd1 100644
--- a/slugify/slugify.py
+++ b/slugify/slugify.py
@@ -62,9 +62,9 @@ def smart_truncate(string, max_length=0, word_boundary=False, separator=' ', sav
         if word:
             next_len = len(truncated) + len(word)
             if next_len < max_length:
-                truncated += '{0}{1}'.format(word, separator)
+                truncated += '{}{}'.format(word, separator)
             elif next_len == max_length:
-                truncated += '{0}'.format(word)
+                truncated += '{}'.format(word)
                 break
             else:
                 if save_order:
diff --git a/test.py b/test.py
index 29f0ac7..98debff 100644
--- a/test.py
+++ b/test.py
@@ -242,18 +242,5 @@ class TestUtils(unittest.TestCase):
         self.assertEqual(r, txt)
 
 
-class TestUtils(unittest.TestCase):
-
-    def test_smart_truncate_no_max_length(self):
-        txt = '1,000 reasons you are #1'
-        r = smart_truncate(txt)
-        self.assertEqual(r, txt)
-
-    def test_smart_truncate_no_seperator(self):
-        txt = '1,000 reasons you are #1'
-        r = smart_truncate(txt, max_length=100, separator='_')
-        self.assertEqual(r, txt)
-
-
 if __name__ == '__main__':
     unittest.main()