Tighten configuration and export handling

redmine_reporter/formatters/csv.py

@@ -1,8 +1,9 @@
 import csv
 import io
 from typing import List
-from .base import Formatter
+
 from ..types import ReportRow
+from .base import Formatter
 
 
 class CSVFormatter(Formatter):
@@ -14,9 +15,7 @@ class CSVFormatter(Formatter):
     def format(self, rows: List[ReportRow]) -> str:
         output = io.StringIO()
         writer = csv.writer(output, dialect="excel")
-        writer.writerow(
-            ["Project", "Version", "Issue ID", "Subject", "Status", "Spent Time"]
-        )
+        writer.writerow(["Project", "Version", "Issue ID", "Subject", "Status", "Spent Time"])
         for r in rows:
             writer.writerow(
                 [