CLN: rename parameter object to self

Author: topper-123

ci/code_checks.sh

@@ -140,10 +140,6 @@ if [[ -z "$CHECK" || "$CHECK" == "patterns" ]]; then
     invgrep -R --include="*.py" --include="*.pyx" -E "(DEPRECATED|DEPRECATE|Deprecated)(:|,|\.)" pandas
     RET=$(($RET + $?)) ; echo $MSG "DONE"
 
-    MSG='Check for old-style classes' ; echo $MSG
-    invgrep -R --include="*.py" -E "class\s\S*[^)]:" pandas scripts
-    RET=$(($RET + $?)) ; echo $MSG "DONE"
-
     MSG='Check for backticks incorrectly rendering because of missing spaces' ; echo $MSG
     invgrep -R --include="*.rst" -E "[a-zA-Z0-9]\`\`?[a-zA-Z0-9]" doc/source/
     RET=$(($RET + $?)) ; echo $MSG "DONE"

pandas/tests/arrays/categorical/test_warnings.py

@@ -18,14 +18,14 @@ def test_tab_complete_warning(self, ip):
             with provisionalcompleter('ignore'):
                 list(ip.Completer.completions('c.', 1))
 
-    def test_CategoricalAccessor_categorical_deprecation(object):
+    def test_CategoricalAccessor_categorical_deprecation(self):
         with tm.assert_produces_warning(FutureWarning):
             pd.Series(['a', 'b'], dtype='category').cat.categorical
 
-    def test_CategoricalAccessor_name_deprecation(object):
+    def test_CategoricalAccessor_name_deprecation(self):
         with tm.assert_produces_warning(FutureWarning):
             pd.Series(['a', 'b'], dtype='category').cat.name
 
-    def test_CategoricalAccessor_index_deprecation(object):
+    def test_CategoricalAccessor_index_deprecation(self):
         with tm.assert_produces_warning(FutureWarning):
             pd.Series(['a', 'b'], dtype='category').cat.index