if -> elif

pandas/core/resample.py

@@ -1946,9 +1946,9 @@ def _asfreq_compat(index, freq):
     new_index: Index
     if isinstance(index, PeriodIndex):
         new_index = index.asfreq(freq=freq)
-    if isinstance(index, DatetimeIndex):
+    elif isinstance(index, DatetimeIndex):
         new_index = DatetimeIndex([], dtype=index.dtype, freq=freq, name=index.name)
-    if isinstance(index, TimedeltaIndex):
+    elif isinstance(index, TimedeltaIndex):
         new_index = TimedeltaIndex([], dtype=index.dtype, freq=freq, name=index.name)
     else:  # pragma: no cover
         raise TypeError(type(index))

pandas/tests/indexing/test_coercion.py

@@ -507,7 +507,7 @@ def test_insert_index_period(self, insert, coerced_val, coerced_dtype):
             msg = r"Unexpected keyword arguments {'freq'}"
             with pytest.raises(TypeError, match=msg):
                 with tm.assert_produces_warning(FutureWarning):
-                    # passing keywords ot pd.Index
+                    # passing keywords to pd.Index
                     pd.Index(data, freq="M")
 
     def test_insert_index_complex128(self):