Changed StringIO to BytesIO

* renamed stringio property to bufferedio in SegmentData

atrcopy/mame.py

@@ -15,7 +15,7 @@ log = logging.getLogger(__name__)
 class MameZipImage(DiskImageBase):
     def __init__(self, rawdata, filename=""):
         self.zipdata = rawdata
-        fh = self.zipdata.stringio
+        fh = self.zipdata.bufferedio
         if zipfile.is_zipfile(fh):
             with zipfile.ZipFile(fh) as zf:
                 self.check_zip_size(zf)

atrcopy/segments.py

@@ -201,8 +201,8 @@ class SegmentData(object):
             raise ValueError("The base SegmentData object should use the resize method to replace arrays")
 
     @property
-    def stringio(self):
-        buf = io.StringIO(self.data[:])
+    def bufferedio(self):
+        buf = io.BytesIO(self.data[:])
         return buf
 
     @property