clean upformatting

Author: dougbrn

src/nested_pandas/nestedframe/core.py

@@ -4,7 +4,6 @@
 import ast
 import os
 import re
-import io
 
 import numpy as np
 import pandas as pd
@@ -290,7 +289,9 @@ def _repr_html_(self) -> str | None:
         # first cell shows the nested df header and a preview row
         def repack_first_cell(chunk):
             # Render header separately to keep data aligned
-            output = chunk.head(0).to_html(max_rows=0, max_cols=5, show_dimensions=False, index=False, header=True)
+            output = chunk.head(0).to_html(
+                max_rows=0, max_cols=5, show_dimensions=False, index=False, header=True
+            )
             # Then add a preview row
             output += repack_row(chunk)
             return output
@@ -300,13 +301,17 @@ def repack_row(chunk):
             return chunk.to_html(max_rows=1, max_cols=5, show_dimensions=True, index=False, header=False)
 
         # Apply repacking to all nested columns
-        repr = self.style.format({col: repack_first_cell for col in self.nested_columns}, subset=self.index[0])
-        repr = repr.format({col: repack_row for col in self.nested_columns}, subset=pd.IndexSlice[self.index[1]:])
+        repr = self.style.format(
+            {col: repack_first_cell for col in self.nested_columns}, subset=self.index[0]
+        )
+        repr = repr.format(
+            {col: repack_row for col in self.nested_columns}, subset=pd.IndexSlice[self.index[1] :]
+        )
 
         # Recover some truncation formatting, limited to head truncation
         # Use half of pandas sizes to account for large row height
-        if repr.data.shape[0] > pd.get_option("display.max_rows")//2:
-            html_repr = repr.to_html(max_rows=pd.get_option("display.min_rows")//2)
+        if repr.data.shape[0] > pd.get_option("display.max_rows") // 2:
+            html_repr = repr.to_html(max_rows=pd.get_option("display.min_rows") // 2)
         else:
             html_repr = repr.to_html(max_rows=0)
 
@@ -315,7 +320,6 @@ def repack_row(chunk):
 
         return html_repr
 
-
     def _parse_hierarchical_components(self, delimited_path: str, delimiter: str = ".") -> list[str]:
         """
         Given a string that may be a delimited path, parse it into its components,