Remove unneeded object inheritance.

11 files changed, 22 insertions, 21 deletions

diff --git a/pygments/filter.py b/pygments/filter.py
index 7f81920b..faa18bfc 100644
--- a/pygments/filter.py
+++ b/pygments/filter.py
@@ -40,7 +40,7 @@ def simplefilter(f):
     })
 
 
-class Filter(object):
+class Filter:
     """
     Default filter. Subclass this class or use the `simplefilter`
     decorator to create own filters.
diff --git a/pygments/formatter.py b/pygments/formatter.py
index efa90e51..60531523 100644
--- a/pygments/formatter.py
+++ b/pygments/formatter.py
@@ -23,7 +23,7 @@ def _lookup_style(style):
     return style
 
 
-class Formatter(object):
+class Formatter:
     """
     Converts a token stream to text.
 
diff --git a/pygments/formatters/img.py b/pygments/formatters/img.py
index 5f0dcc56..57a37a7b 100644
--- a/pygments/formatters/img.py
+++ b/pygments/formatters/img.py
@@ -59,7 +59,7 @@ class FontNotFound(Exception):
     """When there are no usable fonts specified"""
 
 
-class FontManager(object):
+class FontManager:
     """
     Manages a set of fonts: normal, italic, bold, etc...
     """
diff --git a/pygments/lexer.py b/pygments/lexer.py
index 5614a7d4..9a0626c3 100644
--- a/pygments/lexer.py
+++ b/pygments/lexer.py
@@ -251,7 +251,7 @@ class include(str):  # pylint: disable=invalid-name
     pass
 
 
-class _inherit(object):
+class _inherit:
     """
     Indicates the a state should inherit from its superclass.
     """
@@ -274,7 +274,7 @@ class combined(tuple):  # pylint: disable=invalid-name
         pass
 
 
-class _PseudoMatch(object):
+class _PseudoMatch:
     """
     A pseudo match object constructed from a string.
     """
@@ -327,11 +327,12 @@ def bygroups(*args):
     return callback
 
 
-class _This(object):
+class _This:
     """
     Special singleton used for indicating the caller class.
     Used by ``using``.
     """
+
 this = _This()
 
 
@@ -674,7 +675,7 @@ class RegexLexer(Lexer, metaclass=RegexLexerMeta):
                     break
 
 
-class LexerContext(object):
+class LexerContext:
     """
     A helper object that holds lexer position data.
     """
diff --git a/pygments/lexers/robotframework.py b/pygments/lexers/robotframework.py
index 284fdcf5..ddaddb22 100644
--- a/pygments/lexers/robotframework.py
+++ b/pygments/lexers/robotframework.py
@@ -83,7 +83,7 @@ class RobotFrameworkLexer(Lexer):
                         index += len(value)
 
 
-class VariableTokenizer(object):
+class VariableTokenizer:
 
     def tokenize(self, string, token):
         var = VariableSplitter(string, identifiers='$@%&')
@@ -110,7 +110,7 @@ class VariableTokenizer(object):
             yield value, token
 
 
-class RowTokenizer(object):
+class RowTokenizer:
 
     def __init__(self):
         self._table = UnknownTable()
@@ -158,7 +158,7 @@ class RowTokenizer(object):
                 yield value, token
 
 
-class RowSplitter(object):
+class RowSplitter:
     _space_splitter = re.compile('( {2,})')
     _pipe_splitter = re.compile(r'((?:^| +)\|(?: +|$))')
 
@@ -184,7 +184,7 @@ class RowSplitter(object):
         yield rest
 
 
-class Tokenizer(object):
+class Tokenizer:
     _tokens = None
 
     def __init__(self):
@@ -291,7 +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):
@@ -319,7 +319,7 @@ class ForLoop(Tokenizer):
         return token
 
 
-class _Table(object):
+class _Table:
     _tokenizer_class = None
 
     def __init__(self, prev_tokenizer=None):
diff --git a/pygments/lexers/sql.py b/pygments/lexers/sql.py
index 1a53b0f6..0c45b14d 100644
--- a/pygments/lexers/sql.py
+++ b/pygments/lexers/sql.py
@@ -105,7 +105,7 @@ def language_callback(lexer, match):
     yield (match.start(7), String, match.group(7))
 
 
-class PostgresBase(object):
+class PostgresBase:
     """Base class for Postgres-related lexers.
 
     This is implemented as a mixin to avoid the Lexer metaclass kicking in.
@@ -270,7 +270,7 @@ re_message = re.compile(
     r'FATAL|HINT|DETAIL|CONTEXT|LINE [0-9]+):)(.*?\n)')
 
 
-class lookahead(object):
+class lookahead:
     """Wrap an iterator and allow pushing back an item."""
     def __init__(self, x):
         self.iter = iter(x)
diff --git a/pygments/scanner.py b/pygments/scanner.py
index bcb19ed9..c7f9ab50 100644
--- a/pygments/scanner.py
+++ b/pygments/scanner.py
@@ -25,7 +25,7 @@ class EndOfText(RuntimeError):
     """
 
 
-class Scanner(object):
+class Scanner:
     """
     Simple scanner
 
diff --git a/pygments/util.py b/pygments/util.py
index fb81d464..bb88eb0c 100644
--- a/pygments/util.py
+++ b/pygments/util.py
@@ -289,7 +289,7 @@ def duplicates_removed(it, already_seen=()):
     return lst
 
 
-class Future(object):
+class Future:
     """Generic class to defer some work.
 
     Handled specially in RegexLexerMeta, to support regex string construction at
diff --git a/scripts/vim2pygments.py b/scripts/vim2pygments.py
index 42af0bbe..7012157c 100755
--- a/scripts/vim2pygments.py
+++ b/scripts/vim2pygments.py
@@ -863,7 +863,7 @@ def find_colors(code):
     return default_token, color_map
 
 
-class StyleWriter(object):
+class StyleWriter:
 
     def __init__(self, code, name):
         self.code = code
diff --git a/tests/test_basic_api.py b/tests/test_basic_api.py
index 583122d2..0bcb6989 100644
--- a/tests/test_basic_api.py
+++ b/tests/test_basic_api.py
@@ -254,7 +254,7 @@ def test_bare_class_handler():
         assert False, 'nothing raised'
 
 
-class TestFilters(object):
+class TestFilters:
 
     def test_basic(self):
         filters_args = [
diff --git a/tests/test_util.py b/tests/test_util.py
index d5706407..94985a25 100644
--- a/tests/test_util.py
+++ b/tests/test_util.py
@@ -14,7 +14,7 @@ from pytest import raises
 from pygments import util, console
 
 
-class FakeLexer(object):
+class FakeLexer:
     def analyse(text):
         return text
     analyse = util.make_analysator(analyse)
@@ -81,7 +81,7 @@ def test_analysator_returns_boolean():
 def test_analysator_raises_exception():
     # If an analysator wrapped by make_analysator raises an exception,
     # then the wrapper will return 0.0.
-    class ErrorLexer(object):
+    class ErrorLexer:
         def analyse(text):
             raise RuntimeError('something bad happened')
         analyse = util.make_analysator(analyse)