From 983e3c845e1106b14ccfe98af95e49a4d59c08d7 Mon Sep 17 00:00:00 2001
From: MomIsBestFriend <>
Date: Tue, 7 Apr 2020 13:34:09 +0300
Subject: [PATCH 1/2] TST: iat with duplicate column names

---
 pandas/tests/frame/indexing/test_iat.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pandas/tests/frame/indexing/test_iat.py b/pandas/tests/frame/indexing/test_iat.py
index 23e3392251a3a..f11387c06cddf 100644
--- a/pandas/tests/frame/indexing/test_iat.py
+++ b/pandas/tests/frame/indexing/test_iat.py
@@ -1,3 +1,6 @@
+import pandas as pd
+
+
 def test_iat(float_frame):
 
     for i, row in enumerate(float_frame.index):
@@ -5,3 +8,9 @@ def test_iat(float_frame):
             result = float_frame.iat[i, j]
             expected = float_frame.at[row, col]
             assert result == expected
+
+
+def test_iat_duplicate_columns():
+    # https://github.com/pandas-dev/pandas/issues/11754
+    df = pd.DataFrame([[1, 1]], columns=["x", "x"])
+    assert df.iat[0, 0] == 1

From cff87821bd513425c2fe0266491e756aae583334 Mon Sep 17 00:00:00 2001
From: MomIsBestFriend <>
Date: Tue, 7 Apr 2020 21:50:03 +0300
Subject: [PATCH 2/2] Diffrent values

xref:
https://github.com/pandas-dev/pandas/pull/33362#discussion_r404984696
---
 pandas/tests/frame/indexing/test_iat.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pandas/tests/frame/indexing/test_iat.py b/pandas/tests/frame/indexing/test_iat.py
index f11387c06cddf..b1025b99e9bd5 100644
--- a/pandas/tests/frame/indexing/test_iat.py
+++ b/pandas/tests/frame/indexing/test_iat.py
@@ -12,5 +12,5 @@ def test_iat(float_frame):
 
 def test_iat_duplicate_columns():
     # https://github.com/pandas-dev/pandas/issues/11754
-    df = pd.DataFrame([[1, 1]], columns=["x", "x"])
+    df = pd.DataFrame([[1, 2]], columns=["x", "x"])
     assert df.iat[0, 0] == 1