Line length issues

Author: eyrei123

narwhals-python/exercise_solution.py

@@ -5,7 +5,12 @@
 def rowling_books(df: IntoFrameT, lf: IntoFrameT) -> IntoFrameT:
     return (
         nw.from_native(df)
-        .join(nw.from_native(lf).filter(nw.col("last_name").str.contains("Rowling")).collect(), on="author_id")
+        .join(
+            nw.from_native(lf)
+            .filter(nw.col("last_name").str.contains("Rowling"))
+            .collect(),
+            on="author_id",
+        )
         .select(["book_title", "year_published", "first_name", "last_name"])
         .sort("year_published")
         .to_pandas()

narwhals-python/universal_processing.py

@@ -11,14 +11,10 @@ def universal_groupby_v1(df: IntoFrameT) -> IntoFrameT:
         .to_native()
     )
 
+
 @nw.narwhalify
 def universal_groupby_v2(df: FrameT) -> FrameT:
-    return (
-        df
-        .group_by("party_name")
-        .agg(nw.col("last_name").count())
-        .sort("party_name")
-    )
+    return df.group_by("party_name").agg(nw.col("last_name").count()).sort("party_name")
 
 
 def universal_groupby_v3(df: IntoFrameT) -> IntoFrameT:
@@ -33,13 +29,14 @@ def universal_groupby_v3(df: IntoFrameT) -> IntoFrameT:
 
 def universal_pivot_v1(df: IntoFrameT) -> IntoFrameT:
     return (
-         nw.from_native(df)
-         .pivot(
-             on="party_name",
-             index="century",
-             aggregate_function="count",
-             values="last_name"
-         ).to_native()
+        nw.from_native(df)
+        .pivot(
+            on="party_name",
+            index="century",
+            aggregate_function="count",
+            values="last_name",
+        )
+        .to_native()
     )
 
 
@@ -52,6 +49,7 @@ def universal_pivot_v2(df: IntoFrameT) -> IntoFrameT:
             on="party_name",
             index="century",
             aggregate_function="count",
-            values="last_name"
-        ).to_native()
-    )
+            values="last_name",
+        )
+        .to_native()
+    )