STY: style fix

src/caosadvancedtools/table_json_conversion/convert.py

@@ -45,6 +45,7 @@ def _strict_bool(value: Any) -> bool:
         return value
     raise TypeError(f"Not a good boolean: {repr(value)}")
 
+
 def _column_id_to_chars(num):
     """Converts a column id (zero based) to the corresponding string
     representation, e.g. 0 -> 'A', 97 -> 'CT'"""
@@ -52,6 +53,7 @@ def _column_id_to_chars(num):
         return ""
     return _column_id_to_chars(int(num / 26) - 1) + chr(int(num % 26) + 65)
 
+
 def _format_exception_table(exceptions: list(tuple), worksheet_title: str,
                             column_names: Optional[dict, list] = None,
                             max_line_length: Optional[int] = 120) -> str: