TST: import pandas_datareader, use for tests

TST: remove some deprecation warnings from imports

Author: jreback

ci/requirements-2.7_SLOW.pip

@@ -9,12 +9,15 @@
 import numpy as np
 import pandas as pd
 from pandas import DataFrame, Timestamp
-from pandas.io import data as web
-from pandas.io.data import DataReader, SymbolWarning, RemoteDataError, _yahoo_codes
 from pandas.util.testing import (assert_series_equal, assert_produces_warning,
                                  network, assert_frame_equal)
 import pandas.util.testing as tm
 
+with tm.assert_produces_warning(FutureWarning, check_stacklevel=False):
+    from pandas.io import data as web
+
+from pandas.io.data import DataReader, SymbolWarning, RemoteDataError, _yahoo_codes
+
 if compat.PY3:
     from urllib.error import HTTPError
 else:

pandas/io/tests/test_data.py

@@ -5,9 +5,11 @@
 from pandas.util.testing import network
 from pandas.util.testing import assert_frame_equal
 from numpy.testing.decorators import slow
-from pandas.io.wb import search, download, get_countries
 import pandas.util.testing as tm
 
+# deprecated
+with tm.assert_produces_warning(FutureWarning, check_stacklevel=False):
+    from pandas.io.wb import search, download, get_countries
 
 class TestWB(tm.TestCase):
 

pandas/io/tests/test_wb.py

@@ -1,12 +1,12 @@
 # -*- coding: utf-8 -*-
 from pandas.compat import range
-import pandas.tools.rplot as rplot
 import pandas.util.testing as tm
 from pandas import read_csv
 import os
-
 import nose
 
+with tm.assert_produces_warning(FutureWarning, check_stacklevel=False):
+    import pandas.tools.rplot as rplot
 
 def curpath():
     pth, _ = os.path.split(os.path.abspath(__file__))