From 4a904a0106e821da0ceb3ef000c0bd17ff8d2127 Mon Sep 17 00:00:00 2001
From: Frederic Fortier <fredfortier@gmail.com>
Date: Fri, 29 Dec 2017 18:43:22 -0500
Subject: [PATCH] BLD: house keeping

---
 catalyst/exchange/exchange_data_portal.py      | 6 ------
 catalyst/exchange/live_graph_clock.py          | 1 +
 catalyst/exchange/utils/live_chart_utils.py    | 5 +++--
 catalyst/exchange/utils/serialization_utils.py | 3 +--
 4 files changed, 5 insertions(+), 10 deletions(-)

diff --git a/catalyst/exchange/exchange_data_portal.py b/catalyst/exchange/exchange_data_portal.py
index aaa38a5f..261f9b42 100644
--- a/catalyst/exchange/exchange_data_portal.py
+++ b/catalyst/exchange/exchange_data_portal.py
@@ -20,12 +20,6 @@ log = Logger('DataPortalExchange', level=LOG_LEVEL)
 
 class DataPortalExchangeBase(DataPortal):
     def __init__(self, *args, **kwargs):
-
-        # TODO: put somewhere accessible by each algo
-        self.retry_get_history_window = 5
-        self.retry_get_spot_value = 5
-        self.retry_delay = 5
-
         self.attempts = dict(
             get_spot_value_attempts=5,
             get_history_window_attempts=5,
diff --git a/catalyst/exchange/live_graph_clock.py b/catalyst/exchange/live_graph_clock.py
index 8fea4de5..40ad9c24 100644
--- a/catalyst/exchange/live_graph_clock.py
+++ b/catalyst/exchange/live_graph_clock.py
@@ -4,6 +4,7 @@ from catalyst.gens.sim_engine import (
     SESSION_START
 )
 from logbook import Logger
+
 from catalyst.constants import LOG_LEVEL
 from catalyst.exchange.utils.stats_utils import prepare_stats
 
diff --git a/catalyst/exchange/utils/live_chart_utils.py b/catalyst/exchange/utils/live_chart_utils.py
index 036fa67a..11988cbc 100644
--- a/catalyst/exchange/utils/live_chart_utils.py
+++ b/catalyst/exchange/utils/live_chart_utils.py
@@ -1,8 +1,9 @@
-from catalyst.exchange.exchange_errors import \
-    MismatchingBaseCurrenciesExchanges
 import matplotlib.dates as mdates
 import pandas as pd
 
+from catalyst.exchange.exchange_errors import \
+    MismatchingBaseCurrenciesExchanges
+
 fmt = mdates.DateFormatter('%Y-%m-%d %H:%M')
 
 
diff --git a/catalyst/exchange/utils/serialization_utils.py b/catalyst/exchange/utils/serialization_utils.py
index 67f12ad5..4b098a02 100644
--- a/catalyst/exchange/utils/serialization_utils.py
+++ b/catalyst/exchange/utils/serialization_utils.py
@@ -1,9 +1,8 @@
 import json
+import re
 from json import JSONEncoder
 
 import pandas as pd
-import re
-
 from six import string_types
 
 from catalyst.constants import DATE_TIME_FORMAT