Fix StringIO import

pandas_datareader/base.py

@@ -5,10 +5,11 @@
 import requests
 
 import pandas.compat as compat
+from io import StringIO
 from pandas import DataFrame
 from pandas import read_csv, concat
 from pandas.io.common import urlencode
-from pandas.compat import StringIO, bytes_to_str
+from pandas.compat import bytes_to_str
 
 from pandas_datareader._utils import (RemoteDataError, SymbolWarning,
                                       _sanitize_dates, _init_session)

pandas_datareader/enigma.py

@@ -1,7 +1,7 @@
 import os
 import time
 
-from pandas.compat import StringIO
+from io import StringIO
 import pandas.compat as compat
 import pandas as pd
 

pandas_datareader/famafrench.py

@@ -1,10 +1,11 @@
 import datetime as dt
 import re
 import tempfile
+from io import StringIO
 from zipfile import ZipFile
 
 from pandas import read_csv, to_datetime
-from pandas.compat import lmap, StringIO
+from pandas.compat import lmap
 
 from pandas_datareader.base import _BaseReader
 

pandas_datareader/moex.py

@@ -3,8 +3,8 @@
 import datetime as dt
 
 import pandas as pd
-from pandas.compat import StringIO
 
+from io import StringIO
 from pandas_datareader.base import _DailyBaseReader
 from pandas_datareader.compat import is_list_like, concat
 

pandas_datareader/nasdaq_trader.py

@@ -1,7 +1,7 @@
 from ftplib import FTP, all_errors
+from io import StringIO
 from pandas import read_csv
 from pandas_datareader._utils import RemoteDataError
-from pandas.compat import StringIO
 
 import time
 import warnings