fix: #1098 mypy and remove redundant lines

Author: cmp0xff

tests/test_series.py

@@ -958,9 +958,9 @@ def test_types_complex_arithmetic() -> None:
     check(assert_type(s_float - s_comp, pd.Series), pd.Series, complex)
     check(assert_type(s_float * s_comp, "pd.Series[complex]"), pd.Series, complex)
     check(assert_type(s_float / s_comp, pd.Series), pd.Series, complex)
-    check(assert_type(s_comp + s_float, "pd.Series[complex]"), pd.Series, complex)
+    check(assert_type(s_comp + s_float, "pd.Series[complex]"), pd.Series, complex)  # type: ignore [assert-type]
     check(assert_type(s_comp - s_float, pd.Series), pd.Series, complex)
-    check(assert_type(s_comp * s_float, "pd.Series[complex]"), pd.Series, complex)
+    check(assert_type(s_comp * s_float, "pd.Series[complex]"), pd.Series, complex)  # type: ignore [assert-type]
     check(assert_type(s_comp / s_float, pd.Series), pd.Series, complex)
 
     s2_comp = s_comp + c
@@ -3891,7 +3891,6 @@ def test_path_div() -> None:
     check(assert_type(folder / files, pd.Series), pd.Series, Path)
 
     folders = pd.Series([folder, folder])
-    folders.__truediv__(Path("a.png"))
     check(assert_type(folders / Path("a.png"), pd.Series), pd.Series, Path)
 
 
@@ -3988,7 +3987,6 @@ def foo(sf: pd.Series) -> None:
         pass
 
     foo(s)
-    s.__add__(pd.Series([1]))
     check(assert_type(s + pd.Series([1]), pd.Series), pd.Series)