Added back dependency and resolved flake8 errors.

.travis.yml

@@ -4,11 +4,7 @@
 language: python
 python:
   - 3.5
-  - 3.4
-  - 3.3
-  - 2.7
-  - 2.6
-
+  
 # command to install dependencies, e.g. pip install -r requirements.txt --use-mirrors
 install: pip install -U tox-travis
 

libcryptomarket/api/cryptocompare_api.py

@@ -1,6 +1,5 @@
 #!/bin/python
 import requests
-import json
 from datetime import datetime
 
 API_URL = "https://min-api.cryptocompare.com/data/"
@@ -55,6 +54,7 @@ def get_coinlist():
 
     return requests.get(url).json()
 
+
 def get_histo(period, fsym, tsym, e, limit=None, toTs=None):
     """Return historical prices.
 

libcryptomarket/historical.py

@@ -6,6 +6,7 @@ from libcryptomarket.api.cryptocompare_api import (
     get_histo, CryptocompareHisto
 )
 
+
 def get_historical_prices(source='cryptocompare', symbol=None, exchange=None,
                           period=None, limit=0, from_time=None, to_time=None):
     """Get historical prices.
@@ -30,9 +31,9 @@ def get_historical_prices(source='cryptocompare', symbol=None, exchange=None,
             raise ValueError("Input parameter exchange cannot be None.")
 
         if ((limit > 0) +
-            ((from_time is not None) or (to_time is not None)) > 1):
-            raise ValuError("Only accept input parameter limit, or from_time"
-                            " and to_time pair.")
+                ((from_time is not None) or (to_time is not None)) > 1):
+            raise ValueError("Only accept input parameter limit, or from_time"
+                             " and to_time pair.")
 
         # Parse from (first 3) and to (last 3) symbol from the parameter
         # symbol.
@@ -69,9 +70,3 @@ def get_historical_prices(source='cryptocompare', symbol=None, exchange=None,
         return data.sort_values(['r_time'])
     else:
         raise ValueError("No source is called {0}".format(source))
-
-
-
-
-
-

requirements_dev.txt

@@ -10,4 +10,5 @@ Sphinx==1.4.8
 pytest==2.9.2
 pytest-runner==2.11.1
 
-pandas>=0.20.0
+pandas>=0.20.0
+requests

setup.py

@@ -12,7 +12,8 @@ with open('HISTORY.rst') as history_file:
     history = history_file.read()
 
 requirements = [
-    'pandas>=0.20.0'
+    'pandas>=0.20.0',
+    'requests'
 ]
 
 setup_requirements = [

tox.ini

@@ -1,11 +1,9 @@
 [tox]
-envlist = py33, py34, py35, flake8
+envlist = py35, flake8
 
 [travis]
 python =
     3.5: py35
-    3.4: py34
-    3.3: py33
 
 [testenv:flake8]
 basepython=python