Remove unused member variable of FormatChecker

Author: brycepg

pylint/checkers/format.py

@@ -352,7 +352,7 @@ def new_line(self, tokens, line_end, line_start):
         self.check_lines(line, line_num)
 
     def process_module(self, _module):
-        self._keywords_with_parens = set()
+        pass
 
     def _check_keyword_parentheses(self, tokens: List[TokenInfo], start: int) -> None:
         """Check that there are not unnecessary parens after a keyword.
@@ -401,11 +401,10 @@ def _check_keyword_parentheses(self, tokens: List[TokenInfo], start: int) -> Non
                         self.add_message(
                             "superfluous-parens", line=line_num, args=keyword_token
                         )
-                    elif keyword_token not in self._keywords_with_parens:
-                        if not found_and_or:
-                            self.add_message(
-                                "superfluous-parens", line=line_num, args=keyword_token
-                            )
+                    elif not found_and_or:
+                        self.add_message(
+                            "superfluous-parens", line=line_num, args=keyword_token
+                        )
                 return
             elif depth == 1:
                 # This is a tuple, which is always acceptable.

tests/checkers/unittest_format.py

@@ -137,7 +137,6 @@ class TestSuperfluousParentheses(CheckerTestCase):
     CHECKER_CLASS = FormatChecker
 
     def testCheckKeywordParensHandlesValidCases(self):
-        self.checker._keywords_with_parens = set()
         cases = [
             "if foo:",
             "if foo():",
@@ -157,7 +156,6 @@ def testCheckKeywordParensHandlesValidCases(self):
                 self.checker._check_keyword_parentheses(_tokenize_str(code), 0)
 
     def testCheckKeywordParensHandlesUnnecessaryParens(self):
-        self.checker._keywords_with_parens = set()
         cases = [
             (Message("superfluous-parens", line=1, args="if"), "if (foo):", 0),
             (Message("superfluous-parens", line=1, args="if"), "if ((foo, bar)):", 0),
@@ -187,7 +185,6 @@ def testCheckKeywordParensHandlesUnnecessaryParens(self):
                 self.checker._check_keyword_parentheses(_tokenize_str(code), offset)
 
     def testCheckIfArgsAreNotUnicode(self):
-        self.checker._keywords_with_parens = set()
         cases = [("if (foo):", 0), ("assert (1 == 1)", 0)]
 
         for code, offset in cases:
@@ -205,7 +202,6 @@ def testFuturePrintStatementWithoutParensWarning(self):
             self.checker.process_tokens(_tokenize_str(code))
 
     def testKeywordParensFalsePositive(self):
-        self.checker._keywords_with_parens = set()
         code = "if 'bar' in (DICT or {}):"
         with self.assertNoMessages():
             self.checker._check_keyword_parentheses(_tokenize_str(code), start=2)