Fix flake8 issues.

Author: dwrpayne

pandas_datareader/bankofcanada.py

@@ -1,10 +1,11 @@
 from __future__ import unicode_literals
 
 import pandas.compat as compat
+
 from pandas_datareader.base import _BaseReader
 
-class BankOfCanadaReader(_BaseReader):
 
+class BankOfCanadaReader(_BaseReader):
     """Get data for the given name from Bank of Canada."""
 
     _URL = 'http://www.bankofcanada.ca/valet/observations'

pandas_datareader/data.py

@@ -4,26 +4,23 @@
 
 import warnings
 
-from pandas_datareader.google.daily import GoogleDailyReader
-from pandas_datareader.google.quotes import GoogleQuotesReader
-from pandas_datareader.google.options import Options as GoogleOptions
-
-from pandas_datareader.yahoo.daily import YahooDailyReader
-from pandas_datareader.yahoo.quotes import YahooQuotesReader
-from pandas_datareader.yahoo.actions import (YahooActionReader, YahooDivReader)
-from pandas_datareader.yahoo.components import _get_data as get_components_yahoo  # noqa
-from pandas_datareader.yahoo.options import Options as YahooOptions
-
 from pandas_datareader.bankofcanada import BankOfCanadaReader
-from pandas_datareader.eurostat import EurostatReader
-from pandas_datareader.fred import FredReader
-from pandas_datareader.famafrench import FamaFrenchReader
-from pandas_datareader.oecd import OECDReader
 from pandas_datareader.edgar import EdgarIndexReader
 from pandas_datareader.enigma import EnigmaReader
+from pandas_datareader.eurostat import EurostatReader
+from pandas_datareader.famafrench import FamaFrenchReader
+from pandas_datareader.fred import FredReader
+from pandas_datareader.google.daily import GoogleDailyReader
+from pandas_datareader.google.options import Options as GoogleOptions
+from pandas_datareader.google.quotes import GoogleQuotesReader
+from pandas_datareader.moex import MoexReader
 from pandas_datareader.nasdaq_trader import get_nasdaq_symbols
+from pandas_datareader.oecd import OECDReader
 from pandas_datareader.quandl import QuandlReader
-from pandas_datareader.moex import MoexReader
+from pandas_datareader.yahoo.actions import (YahooActionReader, YahooDivReader)
+from pandas_datareader.yahoo.daily import YahooDailyReader
+from pandas_datareader.yahoo.options import Options as YahooOptions
+from pandas_datareader.yahoo.quotes import YahooQuotesReader
 
 
 def get_data_fred(*args, **kwargs):
@@ -132,11 +129,11 @@ def DataReader(name, data_source=None, start=None, end=None,
                                  chunksize=25,
                                  retry_count=retry_count, pause=pause,
                                  session=session).read()
-    
+
     elif data_source == "bankofcanada":
         return BankOfCanadaReader(symbols=name, start=start, end=end,
-                              retry_count=retry_count, pause=pause,
-                              session=session).read()
+                                  retry_count=retry_count, pause=pause,
+                                  session=session).read()
 
     elif data_source == "enigma":
         return EnigmaReader(dataset_id=name, api_key=access_key).read()

pandas_datareader/tests/test_bankofcanada.py

@@ -1,12 +1,13 @@
 from datetime import date, timedelta
+
 import pytest
 
-from pandas_datareader._utils import RemoteDataError
 import pandas_datareader.data as web
+from pandas_datareader._utils import RemoteDataError
 
 
 class TestBankOfCanada(object):
-    
+
     @staticmethod
     def get_symbol(currency_code, inverted=False):
         if inverted:
@@ -15,23 +16,27 @@ def get_symbol(currency_code, inverted=False):
             return 'FX{}CAD'.format(currency_code)
 
     def check_bankofcanada_count(self, code):
-        df = web.DataReader(self.get_symbol(code), 'bankofcanada', date.today() - timedelta(days=30), date.today())
+        df = web.DataReader(self.get_symbol(code), 'bankofcanada',
+                            date.today() - timedelta(days=30), date.today())
         assert df.size > 15
 
     def check_bankofcanada_valid(self, code):
         symbol = self.get_symbol(code)
-        df = web.DataReader(symbol, 'bankofcanada', date.today() - timedelta(days=30), date.today())
+        df = web.DataReader(symbol, 'bankofcanada',
+                            date.today() - timedelta(days=30), date.today())
         assert symbol in df.columns
 
     def check_bankofcanada_inverted(self, code):
         symbol = self.get_symbol(code)
         symbol_inverted = self.get_symbol(code, inverted=True)
 
-        df = web.DataReader(symbol, 'bankofcanada', date.today() - timedelta(days=30), date.today())
-        df_inv = web.DataReader(symbol_inverted, 'bankofcanada', date.today() - timedelta(days=30), date.today())
+        df = web.DataReader(symbol, 'bankofcanada',
+                            date.today() - timedelta(days=30), date.today())
+        df_i = web.DataReader(symbol_inverted, 'bankofcanada',
+                              date.today() - timedelta(days=30), date.today())
 
-        pairs = zip((1/df)[symbol].tolist(), df_inv[symbol_inverted].tolist())
-        assert all(a-b < 0.01 for a, b in pairs)
+        pairs = zip((1 / df)[symbol].tolist(), df_i[symbol_inverted].tolist())
+        assert all(a - b < 0.01 for a, b in pairs)
 
     def test_bankofcanada_usd_count(self):
         self.check_bankofcanada_count('USD')
@@ -53,8 +58,10 @@ def test_bankofcanada_eur_inverted(self):
 
     def test_bankofcanada_bad_range(self):
         with pytest.raises(RemoteDataError):
-            web.DataReader('FXCADUSD', 'bankofcanada', date.today(), date.today() - timedelta(days=30))
+            web.DataReader('FXCADUSD', 'bankofcanada',
+                           date.today(), date.today() - timedelta(days=30))
 
     def test_bankofcanada_bad_url(self):
         with pytest.raises(RemoteDataError):
-            web.DataReader('abcdefgh', 'bankofcanada', date.today(), date.today() - timedelta(days=30))
+            web.DataReader('abcdefgh', 'bankofcanada',
+                           date.today() - timedelta(days=30), date.today())