BUG: Fix ValueError in Series.info(show_counts=False)

pandas/io/formats/info.py

@@ -1096,7 +1096,7 @@ def headers(self) -> Sequence[str]:
 
     def _gen_rows_without_counts(self) -> Iterator[Sequence[str]]:
         """Iterator with string representation of body data without counts."""
-        yield from self._gen_dtypes()
+        yield from ([dtype] for dtype in self._gen_dtypes())
 
     def _gen_rows_with_counts(self) -> Iterator[Sequence[str]]:
         """Iterator with string representation of body data with counts."""

pandas/tests/series/methods/test_info.py

@@ -190,3 +190,23 @@ def test_info_memory_usage_bug_on_multiindex():
     # high upper bound
     diff = unstacked.memory_usage(deep=True).sum() - s.memory_usage(deep=True)
     assert diff < 2000
+
+
+def test_info_show_counts_false():
+    s = Series([1])
+    buf = StringIO()
+    s.info(buf=buf, show_counts=False)
+    result = buf.getvalue()
+    memory_bytes = float(s.memory_usage())
+    expected = textwrap.dedent(
+        f"""\
+    <class 'pandas.Series'>
+    RangeIndex: 1 entries, 0 to 0
+    Series name: None
+    Dtype
+    -----
+    int64
+    dtypes: int64(1)
+    memory usage: {memory_bytes} bytes"""
+    )
+    assert result.strip() == expected.strip()