Fix Py3 and removed useless notices

Author: lin-toto

cyaron/io.py

@@ -57,7 +57,8 @@ def __init__(self, *args, **kwargs):
         self.input_file = open(self.input_filename, 'w+')
         self.output_file = open(self.output_filename, 'w+') if self.output_filename else None
         self.is_first_char = dict()
-        print("Processing %s" % self.input_filename)
+        if self.file_flag != 0:
+            print("Processing %s" % self.input_filename)
 
     def __del__(self):
         """__del__(self) -> None

cyaron/output_capture.py

@@ -1,6 +1,9 @@
 from contextlib import contextmanager
-from StringIO import StringIO
 import sys
+try:
+    from StringIO import StringIO
+except ImportError:
+    from io import StringIO
 
 @contextmanager
 def captured_output():