[pre-commit.ci] auto fixes from pre-commit.com hooks

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xarray/tests/test_cftimeindex.py

@@ -145,10 +145,10 @@ def test_parse_iso8601_like(five, sign, string, expected):
     assert result == expected
 
     # check malformed single digit addendum
-    # this check is only performed when we have at least "hour" given 
+    # this check is only performed when we have at least "hour" given
     # like "1999010101", where a single added digit should raise
-    # for "1999" (year), "199901" (month) and "19990101" (day) 
-    # and a single added digit the string would just be interpreted 
+    # for "1999" (year), "199901" (month) and "19990101" (day)
+    # and a single added digit the string would just be interpreted
     # as having a 5-digit year.
     if result["microsecond"] is None and result["hour"] is not None:
         with pytest.raises(ValueError):