From 3c3bafaf4ae0ea323f754e62ac6e0e9e109f87fb Mon Sep 17 00:00:00 2001
From: jbrockmendel <jbrockmendel@gmail.com>
Date: Wed, 18 Mar 2020 16:45:59 -0700
Subject: [PATCH 1/2] use engine_target_valeus

---
 pandas/core/indexes/base.py | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/pandas/core/indexes/base.py b/pandas/core/indexes/base.py
index 162d69d957669..3838fc39dc218 100644
--- a/pandas/core/indexes/base.py
+++ b/pandas/core/indexes/base.py
@@ -3584,12 +3584,8 @@ def _join_non_unique(self, other, how="left", return_indexers=False):
         # We only get here if dtypes match
         assert self.dtype == other.dtype
 
-        if is_extension_array_dtype(self.dtype):
-            lvalues = self._data._values_for_argsort()
-            rvalues = other._data._values_for_argsort()
-        else:
-            lvalues = self._values
-            rvalues = other._values
+        lvalues = self._get_engine_target()
+        rvalues = other._get_engine_target()
 
         left_idx, right_idx = _get_join_indexers(
             [lvalues], [rvalues], how=how, sort=True
@@ -3761,12 +3757,8 @@ def _join_monotonic(self, other, how="left", return_indexers=False):
             else:
                 return ret_index
 
-        if is_extension_array_dtype(self.dtype):
-            sv = self._data._values_for_argsort()
-            ov = other._data._values_for_argsort()
-        else:
-            sv = self._values
-            ov = other._values
+        sv = self._get_engine_target()
+        ov = other._get_engine_target()
 
         if self.is_unique and other.is_unique:
             # We can perform much better than the general case

From b78166c440a527c4ae59b710d18fe40be969348e Mon Sep 17 00:00:00 2001
From: jbrockmendel <jbrockmendel@gmail.com>
Date: Sat, 18 Apr 2020 16:30:41 -0700
Subject: [PATCH 2/2] remove unnecessary inheritance

---
 pandas/core/indexes/timedeltas.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pandas/core/indexes/timedeltas.py b/pandas/core/indexes/timedeltas.py
index 3e3591ee42c30..d2e743739db3d 100644
--- a/pandas/core/indexes/timedeltas.py
+++ b/pandas/core/indexes/timedeltas.py
@@ -51,7 +51,7 @@
     ],
     TimedeltaArray,
 )
-class TimedeltaIndex(DatetimeTimedeltaMixin, dtl.TimelikeOps):
+class TimedeltaIndex(DatetimeTimedeltaMixin):
     """
     Immutable ndarray of timedelta64 data, represented internally as int64, and
     which can be boxed to timedelta objects.