MNT: fix linters

Author: ngoldbaum

pandas/tests/frame/test_query_eval.py

@@ -168,7 +168,7 @@ def test_query_duplicate_column_name(self, engine, parser):
             }
         ).rename(columns={"B": "A"})
 
-        res = df.query('C == 1', engine=engine, parser=parser)
+        res = df.query("C == 1", engine=engine, parser=parser)
 
         expect = DataFrame(
             [[1, 1, 1]],
@@ -1411,7 +1411,7 @@ def test_expr_with_column_name_with_backtick_and_hash(self):
     def test_expr_with_column_name_with_backtick(self):
         # GH 59285
         df = DataFrame({"a`b": (1, 2, 3), "ab": (4, 5, 6)})
-        result = df.query("`a``b` < 2")  # noqa
+        result = df.query("`a``b` < 2")
         # Note: Formatting checks may wrongly consider the above ``inline code``.
         expected = df[df["a`b"] < 2]
         tm.assert_frame_equal(result, expected)

pandas/tests/io/formats/test_to_latex.py

@@ -1,4 +1,3 @@
-import codecs
 from datetime import datetime
 from textwrap import dedent
 

pandas/tests/io/parser/test_quoting.py

@@ -8,7 +8,10 @@
 
 import pytest
 
-from pandas.compat import PY311, PY314
+from pandas.compat import (
+    PY311,
+    PY314,
+)
 from pandas.errors import ParserError
 
 from pandas import DataFrame
@@ -24,7 +27,7 @@
 if PY314:
     # TODO: write a regex that works with all new possitibilities here
     MSG1 = ""
-    MSG2 = "[\s\S]*"
+    MSG2 = r"[\s\S]*"
 else:
     MSG1 = "a(n)? 1-character string"
     MSG2 = "string( or None)?"

pandas/tests/reshape/merge/test_merge.py

@@ -9,6 +9,7 @@
 import pytest
 
 from pandas.compat import PY314
+
 from pandas.core.dtypes.common import (
     is_object_dtype,
     is_string_dtype,
@@ -2426,7 +2427,8 @@ def test_merge_suffix_raises(suffixes):
 @pytest.mark.parametrize(
     "col1, col2, suffixes, msg",
     [
-        ("a", "a", ("a", "b", "c"), fr"too many values to unpack \(expected {TWO_GOT_THREE}\)"),
+        ("a", "a", ("a", "b", "c"), (
+            fr"too many values to unpack \(expected {TWO_GOT_THREE}\)")),
         ("a", "a", tuple("a"), r"not enough values to unpack \(expected 2, got 1\)"),
     ],
 )

pandas/tests/scalar/period/test_period.py

@@ -8,7 +8,6 @@
 import numpy as np
 import pytest
 
-from pandas.compat import PY314
 from pandas._libs.tslibs import iNaT
 from pandas._libs.tslibs.ccalendar import (
     DAYS,
@@ -17,6 +16,7 @@
 from pandas._libs.tslibs.np_datetime import OutOfBoundsDatetime
 from pandas._libs.tslibs.parsing import DateParseError
 from pandas._libs.tslibs.period import INVALID_FREQ_ERR_MSG
+from pandas.compat import PY314
 
 from pandas import (
     NaT,
@@ -346,7 +346,7 @@ def test_invalid_arguments(self):
         with pytest.raises(ValueError, match=msg):
             Period("-2000", "Y")
         if PY314:
-            msg = 'day 0 must be in range 1..31 for month 1 in year 1: 0'
+            msg = "day 0 must be in range 1..31 for month 1 in year 1: 0"
         else:
             msg = "day is out of range for month"
         with pytest.raises(DateParseError, match=msg):

pandas/tests/scalar/timestamp/test_constructors.py

@@ -16,8 +16,8 @@
 import numpy as np
 import pytest
 
-from pandas.compat import PY314
 from pandas._libs.tslibs.dtypes import NpyDatetimeUnit
+from pandas.compat import PY314
 from pandas.errors import OutOfBoundsDatetime
 
 from pandas import (
@@ -214,7 +214,7 @@ def test_constructor_positional(self):
             Timestamp(2000, 1)
 
         if PY314:
-            msg = 'month must be in 1..12, not'
+            msg = "month must be in 1..12, not"
         else:
             msg = "day is out of range for month"
         with pytest.raises(ValueError, match=msg):

pandas/tests/tools/test_to_datetime.py

@@ -21,7 +21,10 @@
     iNaT,
     parsing,
 )
-from pandas.compat import WASM, PY314
+from pandas.compat import (
+    PY314,
+    WASM,
+)
 from pandas.errors import (
     OutOfBoundsDatetime,
     OutOfBoundsTimedelta,
@@ -59,7 +62,8 @@
 
 if PY314:
     NOT_99 = ", not 99"
-    DAY_IS_OUT_OF_RANGE = "day \d{1,2} must be in range 1\.\.\d{1,2} for month \d{1,2} in year \d{4}"
+    DAY_IS_OUT_OF_RANGE = (r"day \d{1,2} must be in range 1\.\.\d{1,2} for "
+                           r"month \d{1,2} in year \d{4}")
 else:
     NOT_99 = ""
     DAY_IS_OUT_OF_RANGE = "day is out of range for month"

pandas/util/_print_versions.py

@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-import codecs
 import json
 import locale
 import os