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from datetime import datetime import pytz from pandas import DataFrame import pandas._testing as tm class TestDataFrameAlterAxes: # Tests for setting index/columns attributes directly (i.e. __setattr__) def test_set_axis_setattr_index(self): # GH 6785 # set the index manually df = DataFrame([{"ts": datetime(2014, 4, 1, tzinfo=pytz.utc), "foo": 1}]) expected = df.set_index("ts") df.index = df["ts"] df.pop("ts") tm.assert_frame_equal(df, expected) # Renaming def test_assign_columns(self, float_frame): float_frame["hi"] = "there" df = float_frame.copy() df.columns = ["foo", "bar", "baz", "quux", "foo2"] tm.assert_series_equal(float_frame["C"], df["baz"], check_names=False) tm.assert_series_equal(float_frame["hi"], df["foo2"], check_names=False)
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