BUG: fixes formatted value error for missing sheet (#27676)

doc/source/whatsnew/v0.25.2.rst

@@ -64,7 +64,7 @@ I/O
 
 - Fix regression in notebook display where <th> tags not used for :attr:`DataFrame.index` (:issue:`28204`).
 - Regression in :meth:`~DataFrame.to_csv` where writing a :class:`Series` or :class:`DataFrame` indexed by an :class:`IntervalIndex` would incorrectly raise a ``TypeError`` (:issue:`28210`)
--
+- Bug in :meth:`DataFrame.read_excel` with ``engine='ods'`` when ``sheet_name`` argument references a non-existent sheet (:issue:`27676`)
 -
 
 Plotting

pandas/io/excel/_odfreader.py

@@ -60,7 +60,7 @@ def get_sheet_by_name(self, name: str):
             if table.getAttribute("name") == name:
                 return table
 
-        raise ValueError("sheet {name} not found".format(name))
+        raise ValueError("sheet {} not found".format(name))
 
     def get_sheet_data(self, sheet, convert_float: bool) -> List[List[Scalar]]:
         """Parse an ODF Table into a list of lists

pandas/tests/io/excel/test_odf.py

@@ -36,3 +36,11 @@ def test_read_writer_table():
     result = pd.read_excel("writertable.odt", "Table1", index_col=0)
 
     tm.assert_frame_equal(result, expected)
+
+
+def test_nonexistent_sheetname_raises(read_ext):
+    # GH-27676
+    # Specifying a non-existent sheet_name parameter should throw an error
+    # with the sheet name.
+    with pytest.raises(ValueError, match="sheet xyz not found"):
+        pd.read_excel("blank.ods", sheet_name="xyz")