fix imports

Author: tompollard

wfdb/pbdownload.py

@@ -5,7 +5,7 @@
 import configparser 
 import os
 import sys
-from . import readsignal
+import readsignal
 
 
 def checkrecordfiles(recordname, filedirectory):

wfdb/readsignal.py

@@ -7,7 +7,7 @@
 import math
 import sys
 import configparser 
-from . import pbdownload
+import pbdownload
 
 def rdsamp(recordname, sampfrom=0, sampto=[], channels=[], physical=1, stacksegments=1):
     """Read a WFDB record and return the signal as a numpy array and the metadata as a dictionary.