one more file access fix; and bump version

Author: DanielGoldfarb

src/mplfinance/_version.py

@@ -1,4 +1,4 @@
-version_info = (0, 12, 3, 'alpha', 3)
+version_info = (0, 12, 3, 'alpha', 5)
 
 _specifier_ = {'alpha': 'a', 'beta': 'b', 'candidate': 'rc', 'final': ''}
 

tests/conftest.py

@@ -1,12 +1,14 @@
 import pytest
-import os                as os
-import pandas            as pd
+import os
+import pandas as pd
+import os.path
 
 os.environ['MPLBACKEND'] = 'agg'
 
 print('\npd.__version__  =',pd.__version__ )                 # for the record
 
-df = pd.read_csv('examples/data/SPY_20110701_20120630_Bollinger.csv',index_col=0,parse_dates=True)
+infile = os.path.join('examples','data','SPY_20110701_20120630_Bollinger.csv')
+df = pd.read_csv(infile,index_col=0,parse_dates=True)
 print('df.shape='  , df.shape  )
 print('df.head(3)=', df.head(3))
 print('df.tail(3)=', df.tail(3))