Merge branch 'master' into index_map

Author: Reksbril

pandas/tests/series/indexing/test_indexing.py

@@ -920,7 +920,7 @@ def test_head_tail(string_series):
     tm.assert_series_equal(string_series.tail(), string_series[-5:])
     tm.assert_series_equal(string_series.tail(0), string_series[0:0])
 
-
+    
 def test_uint_drop(any_int_dtype):
     # see GH18311
     # assigning series.loc[0] = 4 changed series.dtype to int
@@ -929,13 +929,14 @@ def test_uint_drop(any_int_dtype):
     expected = pd.Series([4, 2, 3], dtype=any_int_dtype)
     tm.assert_series_equal(series, expected)
 
+    
 def test_head_tail(test_data):
     assert_series_equal(test_data.series.head(), test_data.series[:5])
     assert_series_equal(test_data.series.head(0), test_data.series[0:0])
     assert_series_equal(test_data.series.tail(), test_data.series[-5:])
     assert_series_equal(test_data.series.tail(0), test_data.series[0:0])
 
-
+    
 def test_index_map():
     # see GH20990
     count = 6
@@ -949,3 +950,12 @@ def test_index_map():
         b.index = a.index.map(lambda x: (x.year, x.month))
     except ValueError:
         pytest.fail("Unexpected ValueError")
+
+        
+def test_uint_drop(any_int_dtype):
+    # see GH18311
+    # assigning series.loc[0] = 4 changed series.dtype to int
+    series = pd.Series([1, 2, 3], dtype=any_int_dtype)
+    series.loc[0] = 4
+    expected = pd.Series([4, 2, 3], dtype=any_int_dtype)
+    tm.assert_series_equal(series, expected)