Small formatting fixes (#4071)

nodejs-polars/src/lazy/dataframe.rs

@@ -280,7 +280,7 @@ impl JsLazyFrame {
         let strategy = match strategy.as_ref() {
             "forward" => AsofStrategy::Forward,
             "backward" => AsofStrategy::Backward,
-            _ => panic!("expected on of {{'forward', 'backward'}}"),
+            _ => panic!("expected one of {{'forward', 'backward'}}"),
         };
 
         let ldf = self.ldf.clone();

py-polars/polars/internals/expr.py

@@ -80,8 +80,8 @@ def __to_expr(self, other: Any) -> Expr:
 
     def __bool__(self) -> Expr:
         raise ValueError(
-            "Since Expr are lazy, the truthiness of an Expr is ambiguous. \
-            Hint: use '&' or '|' to chain Expr together, not and/or."
+            "Since Expr are lazy, the truthiness of an Expr is ambiguous. "
+            "Hint: use '&' or '|' to chain Expr together, not and/or."
         )
 
     def __invert__(self) -> Expr:

py-polars/polars/internals/frame.py

@@ -6363,8 +6363,6 @@ def _wrangle(x: Any) -> list:
                     .agg(column_to_agg)  # type: ignore[arg-type]
                     .collect(no_optimization=True, string_cache=False)
                 )
-
-                pass
             else:
                 raise ValueError(
                     f"argument: {column_to_agg} not understood, have you passed a list of expressions?"

py-polars/polars/utils.py

@@ -91,7 +91,7 @@ def _datetime_to_pl_timestamp(dt: datetime, tu: str | None) -> int:
         # python has us precision
         return int(dt.replace(tzinfo=timezone.utc).timestamp() * 1e6)
     else:
-        raise ValueError("expected on of {'ns', 'us', 'ms'}")
+        raise ValueError("expected one of {'ns', 'us', 'ms'}")
 
 
 def _timedelta_to_pl_timedelta(td: timedelta, tu: str | None = None) -> int:
@@ -185,7 +185,6 @@ def _prepare_row_count_args(
     row_count_name: str | None = None,
     row_count_offset: int = 0,
 ) -> tuple[str, int] | None:
-
     if row_count_name is not None:
         return (row_count_name, row_count_offset)
     else:

py-polars/src/lazy/dataframe.rs

@@ -460,7 +460,7 @@ impl PyLazyFrame {
         let strategy = match strategy {
             "forward" => AsofStrategy::Forward,
             "backward" => AsofStrategy::Backward,
-            _ => panic!("expected on of {{'forward', 'backward'}}"),
+            _ => panic!("expected one of {{'forward', 'backward'}}"),
         };
 
         let ldf = self.ldf.clone();

py-polars/tests/io/test_pyarrow_dataset.py

@@ -8,7 +8,6 @@
 
 
 def test_dataset(io_test_dir: str) -> None:
-
     # windows path does not seem to work
     if os.name != "nt":
         file = os.path.join(io_test_dir, "small.ipc")

py-polars/tests/test_cfg.py

@@ -192,7 +192,6 @@ def test_set_tbl_rows(environ: None) -> None:
 
 
 def test_string_cache(environ: None) -> None:
-
     df1 = pl.DataFrame({"a": ["foo", "bar", "ham"], "b": [1, 2, 3]})
     df2 = pl.DataFrame({"a": ["foo", "spam", "eggs"], "c": [3, 2, 2]})
 

py-polars/tests/test_datelike.py

@@ -887,7 +887,8 @@ def test_datetime_strptime_patterns() -> None:
     df = pl.Series(
         "date",
         [
-            "09-05-2019" "2018-09-05",
+            "09-05-2019",
+            "2018-09-05",
             "2018-09-05T04:05:01",
             "2018-09-05T04:24:01.9",
             "2018-09-05T04:24:02.11",