[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

narwhals/expr.py

@@ -87,9 +87,7 @@ def _with_window(self, to_compliant_expr: Callable[[Any], Any]) -> Self:
     def _with_filtration(self, to_compliant_expr: Callable[[Any], Any]) -> Self:
         return self.__class__(to_compliant_expr, self._metadata.with_filtration())
 
-    def _with_orderable_filtration(
-        self, to_compliant_expr: Callable[[Any], Any]
-    ) -> Self:
+    def _with_orderable_filtration(self, to_compliant_expr: Callable[[Any], Any]) -> Self:
         return self.__class__(
             to_compliant_expr, self._metadata.with_orderable_filtration()
         )
@@ -823,9 +821,7 @@ def kurtosis(self) -> Self:
             | 0 -1.3  0.210657 |
             └──────────────────┘
         """
-        return self._with_aggregation(
-            lambda plx: self._to_compliant_expr(plx).kurtosis()
-        )
+        return self._with_aggregation(lambda plx: self._to_compliant_expr(plx).kurtosis())
 
     def sum(self) -> Expr:
         """Return the sum value.
@@ -978,9 +974,7 @@ def n_unique(self) -> Self:
             |     0  5  3      |
             └──────────────────┘
         """
-        return self._with_aggregation(
-            lambda plx: self._to_compliant_expr(plx).n_unique()
-        )
+        return self._with_aggregation(lambda plx: self._to_compliant_expr(plx).n_unique())
 
     def unique(self) -> Self:
         """Return unique values of this expression.
@@ -1203,9 +1197,7 @@ def replace_strict(
         """
         if new is None:
             if not isinstance(old, Mapping):
-                msg = (
-                    "`new` argument is required if `old` argument is not a Mapping type"
-                )
+                msg = "`new` argument is required if `old` argument is not a Mapping type"
                 raise TypeError(msg)
 
             new = list(old.values())
@@ -1425,9 +1417,7 @@ def is_null(self) -> Self:
             |└───────┴────────┴───────────┴───────────┘|
             └──────────────────────────────────────────┘
         """
-        return self._with_elementwise(
-            lambda plx: self._to_compliant_expr(plx).is_null()
-        )
+        return self._with_elementwise(lambda plx: self._to_compliant_expr(plx).is_null())
 
     def is_nan(self) -> Self:
         """Indicate which values are NaN.
@@ -1481,9 +1471,7 @@ def arg_true(self) -> Self:
             "See https://narwhals-dev.github.io/narwhals/backcompat/ for more information.\n"
         )
         issue_deprecation_warning(msg, _version="1.23.0")
-        return self._with_filtration(
-            lambda plx: self._to_compliant_expr(plx).arg_true()
-        )
+        return self._with_filtration(lambda plx: self._to_compliant_expr(plx).arg_true())
 
     def fill_null(
         self,
@@ -2481,10 +2469,7 @@ def rolling_var(
 
         return self._with_orderable_window(
             lambda plx: self._to_compliant_expr(plx).rolling_var(
-                window_size=window_size,
-                min_samples=min_samples,
-                center=center,
-                ddof=ddof,
+                window_size=window_size, min_samples=min_samples, center=center, ddof=ddof
             )
         )
 
@@ -2545,10 +2530,7 @@ def rolling_std(
 
         return self._with_orderable_window(
             lambda plx: self._to_compliant_expr(plx).rolling_std(
-                window_size=window_size,
-                min_samples=min_samples,
-                center=center,
-                ddof=ddof,
+                window_size=window_size, min_samples=min_samples, center=center, ddof=ddof
             )
         )