Drop support fo Python 2.7

docs/intro.rst

@@ -74,7 +74,7 @@ THE SOFTWARE.
 Pythons Supported
 -----------------
 
-Python 3.5+ are officially supported.
+Python 3.5+ is officially supported.
 
 Now, go :ref:`install Tablib <install>`.
 

src/tablib/packages/dbfpy/fields.py

@@ -134,11 +134,7 @@ class DbfFieldDef:
             definition of this field.
 
         """
-        if sys.version_info < (2, 4):
-            # earlier versions did not support padding character
-            _name = self.name[:11] + "\0" * (11 - len(self.name))
-        else:
-            _name = self.name.ljust(11, '\0')
+        _name = self.name.ljust(11, '\0')
         return (
             _name +
             self.typeCode +