Remove Python 2 compatibility (#1348)

* Remove Python 2 compatibility

* remove 2/3 shims in pygments.util
* update setup.py metadata

* Remove unneeded object inheritance.

* Remove unneeded future imports.

1 files changed, 7 insertions, 8 deletions

diff --git a/pygments/lexers/robotframework.py b/pygments/lexers/robotframework.py
index 642c90c5..ddaddb22 100644
--- a/pygments/lexers/robotframework.py
+++ b/pygments/lexers/robotframework.py
@@ -27,7 +27,6 @@ import re
 
 from pygments.lexer import Lexer
 from pygments.token import Token
-from pygments.util import text_type
 
 __all__ = ['RobotFrameworkLexer']
 
@@ -80,11 +79,11 @@ class RobotFrameworkLexer(Lexer):
             for value, token in row_tokenizer.tokenize(row):
                 for value, token in var_tokenizer.tokenize(value, token):
                     if value:
-                        yield index, token, text_type(value)
+                        yield index, token, str(value)
                         index += len(value)
 
 
-class VariableTokenizer(object):
+class VariableTokenizer:
 
     def tokenize(self, string, token):
         var = VariableSplitter(string, identifiers='$@%&')
@@ -111,7 +110,7 @@ class VariableTokenizer(object):
             yield value, token
 
 
-class RowTokenizer(object):
+class RowTokenizer:
 
     def __init__(self):
         self._table = UnknownTable()
@@ -159,7 +158,7 @@ class RowTokenizer(object):
                 yield value, token
 
 
-class RowSplitter(object):
+class RowSplitter:
     _space_splitter = re.compile('( {2,})')
     _pipe_splitter = re.compile(r'((?:^| +)\|(?: +|$))')
 
@@ -185,7 +184,7 @@ class RowSplitter(object):
         yield rest
 
 
-class Tokenizer(object):
+class Tokenizer:
     _tokens = None
 
     def __init__(self):
@@ -292,7 +291,7 @@ class KeywordCall(Tokenizer):
         return GherkinTokenizer().tokenize(value, KEYWORD)
 
 
-class GherkinTokenizer(object):
+class GherkinTokenizer:
     _gherkin_prefix = re.compile('^(Given|When|Then|And) ', re.IGNORECASE)
 
     def tokenize(self, value, token):
@@ -320,7 +319,7 @@ class ForLoop(Tokenizer):
         return token
 
 
-class _Table(object):
+class _Table:
     _tokenizer_class = None
 
     def __init__(self, prev_tokenizer=None):