48855 style fix pylint issues pointless string statement

pandas/core/indexes/base.py

@@ -587,20 +587,18 @@ def _dtype_to_subclass(cls, dtype: DtypeObj):
 
         raise NotImplementedError(dtype)
 
-    """
-    NOTE for new Index creation:
+    # NOTE for new Index creation:
 
-    - _simple_new: It returns new Index with the same type as the caller.
-      All metadata (such as name) must be provided by caller's responsibility.
-      Using _shallow_copy is recommended because it fills these metadata
-      otherwise specified.
+    # - _simple_new: It returns new Index with the same type as the caller.
+    #   All metadata (such as name) must be provided by caller's responsibility.
+    #   Using _shallow_copy is recommended because it fills these metadata
+    #   otherwise specified.
 
-    - _shallow_copy: It returns new Index with the same type (using
-      _simple_new), but fills caller's metadata otherwise specified. Passed
-      kwargs will overwrite corresponding metadata.
+    # - _shallow_copy: It returns new Index with the same type (using
+    #   _simple_new), but fills caller's metadata otherwise specified. Passed
+    #   kwargs will overwrite corresponding metadata.
 
-    See each method's docstring.
-    """
+    # See each method's docstring.
 
     @classmethod
     def _simple_new(cls: type[_IndexT], values, name: Hashable = None) -> _IndexT:
@@ -3963,10 +3961,7 @@ def is_int(v):
         is_positional = is_index_slice and ints_are_positional
 
         if kind == "getitem":
-            """
-            called from the getitem slicers, validate that we are in fact
-            integers
-            """
+            # called from the getitem slicers, validate that we are in fact integers
             if self.is_integer():
                 if is_frame:
                     # unambiguously positional, no deprecation

pandas/plotting/_matplotlib/core.py

@@ -839,12 +839,10 @@ def _get_xticks(self, convert_period: bool = False):
                 self.data = self.data.reindex(index=index.sort_values())
                 x = self.data.index.to_timestamp()._mpl_repr()
             elif index.is_numeric():
-                """
-                Matplotlib supports numeric values or datetime objects as
-                xaxis values. Taking LBYL approach here, by the time
-                matplotlib raises exception when using non numeric/datetime
-                values for xaxis, several actions are already taken by plt.
-                """
+                # Matplotlib supports numeric values or datetime objects as
+                # xaxis values. Taking LBYL approach here, by the time
+                # matplotlib raises exception when using non numeric/datetime
+                # values for xaxis, several actions are already taken by plt.
                 x = index._mpl_repr()
             elif is_datetype:
                 self.data = self.data[notna(self.data.index)]

pandas/tests/frame/methods/test_reset_index.py

@@ -453,7 +453,7 @@ def test_reset_index_duplicate_columns_allow(
         else:
             if not flag and allow_duplicates:
                 msg = "Cannot specify 'allow_duplicates=True' when "
-                "'self.flags.allows_duplicate_labels' is False"
+                # 'self.flags.allows_duplicate_labels' is False
             else:
                 msg = r"cannot insert \('A', ''\), already exists"
             with pytest.raises(ValueError, match=msg):

pandas/tests/indexes/multi/test_analytics.py

@@ -16,7 +16,7 @@ def test_shift(idx):
 
     # GH8083 test the base class for shift
     msg = "This method is only implemented for DatetimeIndex, PeriodIndex and "
-    "TimedeltaIndex; Got type MultiIndex"
+    # TimedeltaIndex; Got type MultiIndex
     with pytest.raises(NotImplementedError, match=msg):
         idx.shift(1)
     with pytest.raises(NotImplementedError, match=msg):

pandas/tests/indexing/interval/test_interval_new.py

@@ -163,7 +163,7 @@ def test_loc_with_overlap(self, indexer_sl):
         tm.assert_series_equal(expected, result)
 
         msg = "'can only get slices from an IntervalIndex if bounds are"
-        " non-overlapping and all monotonic increasing or decreasing'"
+        # non-overlapping and all monotonic increasing or decreasing'
         with pytest.raises(KeyError, match=msg):
             indexer_sl(ser)[Interval(1, 6) : Interval(3, 8)]
 

pandas/tests/io/parser/common/test_read_errors.py

@@ -242,7 +242,7 @@ def test_bad_header_uniform_error(all_parsers):
     msg = "Expected 2 fields in line 2, saw 4"
     if parser.engine == "c":
         msg = "Could not construct index. Requested to use 1 "
-        "number of columns, but 3 left to parse."
+        # number of columns, but 3 left to parse.
 
     with pytest.raises(ParserError, match=msg):
         parser.read_csv(StringIO(data), index_col=0, on_bad_lines="error")

pandas/tests/io/xml/test_to_xml.py

@@ -22,41 +22,39 @@
 from pandas.io.common import get_handle
 from pandas.io.xml import read_xml
 
-"""
-CHECKLIST
-
-[x] - ValueError: "Values for parser can only be lxml or etree."
-
-etree
-[x] - ImportError: "lxml not found, please install or use the etree parser."
-[X] - TypeError: "...is not a valid type for attr_cols"
-[X] - TypeError: "...is not a valid type for elem_cols"
-[X] - LookupError: "unknown encoding"
-[X] - KeyError: "...is not included in namespaces"
-[X] - KeyError: "no valid column"
-[X] - ValueError: "To use stylesheet, you need lxml installed..."
-[]  - OSError: (NEED PERMISSOIN ISSUE, DISK FULL, ETC.)
-[X] - FileNotFoundError: "No such file or directory"
-[X] - PermissionError: "Forbidden"
-
-lxml
-[X] - TypeError: "...is not a valid type for attr_cols"
-[X] - TypeError: "...is not a valid type for elem_cols"
-[X] - LookupError: "unknown encoding"
-[]  - OSError: (NEED PERMISSOIN ISSUE, DISK FULL, ETC.)
-[X] - FileNotFoundError: "No such file or directory"
-[X] - KeyError: "...is not included in namespaces"
-[X] - KeyError: "no valid column"
-[X] - ValueError: "stylesheet is not a url, file, or xml string."
-[]  - LookupError: (NEED WRONG ENCODING FOR FILE OUTPUT)
-[]  - URLError: (USUALLY DUE TO NETWORKING)
-[]  - HTTPError: (NEED AN ONLINE STYLESHEET)
-[X] - OSError: "failed to load external entity"
-[X] - XMLSyntaxError: "Opening and ending tag mismatch"
-[X] - XSLTApplyError: "Cannot resolve URI"
-[X] - XSLTParseError: "failed to compile"
-[X] - PermissionError: "Forbidden"
-"""
+# CHECKLIST
+
+# [x] - ValueError: "Values for parser can only be lxml or etree."
+
+# etree
+# [x] - ImportError: "lxml not found, please install or use the etree parser."
+# [X] - TypeError: "...is not a valid type for attr_cols"
+# [X] - TypeError: "...is not a valid type for elem_cols"
+# [X] - LookupError: "unknown encoding"
+# [X] - KeyError: "...is not included in namespaces"
+# [X] - KeyError: "no valid column"
+# [X] - ValueError: "To use stylesheet, you need lxml installed..."
+# []  - OSError: (NEED PERMISSOIN ISSUE, DISK FULL, ETC.)
+# [X] - FileNotFoundError: "No such file or directory"
+# [X] - PermissionError: "Forbidden"
+
+# lxml
+# [X] - TypeError: "...is not a valid type for attr_cols"
+# [X] - TypeError: "...is not a valid type for elem_cols"
+# [X] - LookupError: "unknown encoding"
+# []  - OSError: (NEED PERMISSOIN ISSUE, DISK FULL, ETC.)
+# [X] - FileNotFoundError: "No such file or directory"
+# [X] - KeyError: "...is not included in namespaces"
+# [X] - KeyError: "no valid column"
+# [X] - ValueError: "stylesheet is not a url, file, or xml string."
+# []  - LookupError: (NEED WRONG ENCODING FOR FILE OUTPUT)
+# []  - URLError: (USUALLY DUE TO NETWORKING)
+# []  - HTTPError: (NEED AN ONLINE STYLESHEET)
+# [X] - OSError: "failed to load external entity"
+# [X] - XMLSyntaxError: "Opening and ending tag mismatch"
+# [X] - XSLTApplyError: "Cannot resolve URI"
+# [X] - XSLTParseError: "failed to compile"
+# [X] - PermissionError: "Forbidden"
 
 geom_df = DataFrame(
     {

pandas/tests/io/xml/test_xml.py

@@ -27,59 +27,57 @@
 from pandas.io.common import get_handle
 from pandas.io.xml import read_xml
 
-"""
-CHECK LIST
-
-[x] - ValueError: "Values for parser can only be lxml or etree."
-
-etree
-[X] - ImportError: "lxml not found, please install or use the etree parser."
-[X] - TypeError: "expected str, bytes or os.PathLike object, not NoneType"
-[X] - ValueError: "Either element or attributes can be parsed not both."
-[X] - ValueError: "xpath does not return any nodes..."
-[X] - SyntaxError: "You have used an incorrect or unsupported XPath"
-[X] - ValueError: "names does not match length of child elements in xpath."
-[X] - TypeError: "...is not a valid type for names"
-[X] - ValueError: "To use stylesheet, you need lxml installed..."
-[]  - URLError: (GENERAL ERROR WITH HTTPError AS SUBCLASS)
-[X] - HTTPError: "HTTP Error 404: Not Found"
-[]  - OSError: (GENERAL ERROR WITH FileNotFoundError AS SUBCLASS)
-[X] - FileNotFoundError: "No such file or directory"
-[]  - ParseError    (FAILSAFE CATCH ALL FOR VERY COMPLEX XML)
-[X] - UnicodeDecodeError: "'utf-8' codec can't decode byte 0xe9..."
-[X] - UnicodeError: "UTF-16 stream does not start with BOM"
-[X] - BadZipFile: "File is not a zip file"
-[X] - OSError: "Invalid data stream"
-[X] - LZMAError: "Input format not supported by decoder"
-[X] - ValueError: "Unrecognized compression type"
-[X] - PermissionError: "Forbidden"
-
-lxml
-[X] - ValueError: "Either element or attributes can be parsed not both."
-[X] - AttributeError: "__enter__"
-[X] - XSLTApplyError: "Cannot resolve URI"
-[X] - XSLTParseError: "document is not a stylesheet"
-[X] - ValueError: "xpath does not return any nodes."
-[X] - XPathEvalError: "Invalid expression"
-[]  - XPathSyntaxError: (OLD VERSION IN lxml FOR XPATH ERRORS)
-[X] - TypeError: "empty namespace prefix is not supported in XPath"
-[X] - ValueError: "names does not match length of child elements in xpath."
-[X] - TypeError: "...is not a valid type for names"
-[X] - LookupError: "unknown encoding"
-[]  - URLError: (USUALLY DUE TO NETWORKING)
-[X  - HTTPError: "HTTP Error 404: Not Found"
-[X] - OSError: "failed to load external entity"
-[X] - XMLSyntaxError: "Start tag expected, '<' not found"
-[]  - ParserError: (FAILSAFE CATCH ALL FOR VERY COMPLEX XML
-[X] - ValueError: "Values for parser can only be lxml or etree."
-[X] - UnicodeDecodeError: "'utf-8' codec can't decode byte 0xe9..."
-[X] - UnicodeError: "UTF-16 stream does not start with BOM"
-[X] - BadZipFile: "File is not a zip file"
-[X] - OSError: "Invalid data stream"
-[X] - LZMAError: "Input format not supported by decoder"
-[X] - ValueError: "Unrecognized compression type"
-[X] - PermissionError: "Forbidden"
-"""
+# CHECK LIST
+
+# [x] - ValueError: "Values for parser can only be lxml or etree."
+
+# etree
+# [X] - ImportError: "lxml not found, please install or use the etree parser."
+# [X] - TypeError: "expected str, bytes or os.PathLike object, not NoneType"
+# [X] - ValueError: "Either element or attributes can be parsed not both."
+# [X] - ValueError: "xpath does not return any nodes..."
+# [X] - SyntaxError: "You have used an incorrect or unsupported XPath"
+# [X] - ValueError: "names does not match length of child elements in xpath."
+# [X] - TypeError: "...is not a valid type for names"
+# [X] - ValueError: "To use stylesheet, you need lxml installed..."
+# []  - URLError: (GENERAL ERROR WITH HTTPError AS SUBCLASS)
+# [X] - HTTPError: "HTTP Error 404: Not Found"
+# []  - OSError: (GENERAL ERROR WITH FileNotFoundError AS SUBCLASS)
+# [X] - FileNotFoundError: "No such file or directory"
+# []  - ParseError    (FAILSAFE CATCH ALL FOR VERY COMPLEX XML)
+# [X] - UnicodeDecodeError: "'utf-8' codec can't decode byte 0xe9..."
+# [X] - UnicodeError: "UTF-16 stream does not start with BOM"
+# [X] - BadZipFile: "File is not a zip file"
+# [X] - OSError: "Invalid data stream"
+# [X] - LZMAError: "Input format not supported by decoder"
+# [X] - ValueError: "Unrecognized compression type"
+# [X] - PermissionError: "Forbidden"
+
+# lxml
+# [X] - ValueError: "Either element or attributes can be parsed not both."
+# [X] - AttributeError: "__enter__"
+# [X] - XSLTApplyError: "Cannot resolve URI"
+# [X] - XSLTParseError: "document is not a stylesheet"
+# [X] - ValueError: "xpath does not return any nodes."
+# [X] - XPathEvalError: "Invalid expression"
+# []  - XPathSyntaxError: (OLD VERSION IN lxml FOR XPATH ERRORS)
+# [X] - TypeError: "empty namespace prefix is not supported in XPath"
+# [X] - ValueError: "names does not match length of child elements in xpath."
+# [X] - TypeError: "...is not a valid type for names"
+# [X] - LookupError: "unknown encoding"
+# []  - URLError: (USUALLY DUE TO NETWORKING)
+# [X  - HTTPError: "HTTP Error 404: Not Found"
+# [X] - OSError: "failed to load external entity"
+# [X] - XMLSyntaxError: "Start tag expected, '<' not found"
+# []  - ParserError: (FAILSAFE CATCH ALL FOR VERY COMPLEX XML
+# [X] - ValueError: "Values for parser can only be lxml or etree."
+# [X] - UnicodeDecodeError: "'utf-8' codec can't decode byte 0xe9..."
+# [X] - UnicodeError: "UTF-16 stream does not start with BOM"
+# [X] - BadZipFile: "File is not a zip file"
+# [X] - OSError: "Invalid data stream"
+# [X] - LZMAError: "Input format not supported by decoder"
+# [X] - ValueError: "Unrecognized compression type"
+# [X] - PermissionError: "Forbidden"
 
 geom_df = DataFrame(
     {

pandas/tests/series/indexing/test_datetime.py

@@ -274,9 +274,7 @@ def test_datetime_indexing():
     assert s[stamp] == 0
 
 
-"""
-test duplicates in time series
-"""
+# test duplicates in time series
 
 
 def test_indexing_with_duplicate_datetimeindex(

pandas/tests/series/indexing/test_indexing.py

@@ -286,9 +286,7 @@ def test_multilevel_preserve_name(lexsorted_two_level_string_multiindex, indexer
     assert result.name == ser.name
 
 
-"""
-miscellaneous methods
-"""
+# miscellaneous methods
 
 
 @pytest.mark.parametrize(

pyproject.toml

@@ -141,7 +141,6 @@ disable = [
   "invalid-overridden-method",
   "keyword-arg-before-vararg",
   "overridden-final-method",
-  "pointless-string-statement",
   "possibly-unused-variable",
   "protected-access",
   "raise-missing-from",