Revert "Revert last changes to check tests"

This reverts commit 28e9064.

Author: szymonlipinski

magicbus/plugins/loggers.py

@@ -29,32 +29,29 @@ def log(self, msg, level):
             if self.encoding is not None:
                 if isinstance(complete_msg, unicodestr):
                     complete_msg = complete_msg.encode(self.encoding)
-            # else:
-            #     if not isinstance(complete_msg, unicodestr):
-            #         complete_msg = complete_msg.decode("utf-8")
+            else:
+                if not isinstance(complete_msg, unicodestr):
+                    complete_msg = complete_msg.decode("utf-8")
             self.stream.write(complete_msg)
             self.stream.flush()
 
 
 class StdoutLogger(StreamLogger):
 
-    # def __init__(self, bus, level=None, format=None, encoding=None):
-    def __init__(self, bus, level=None, format=None, encoding="utf-8"):
+    def __init__(self, bus, level=None, format=None, encoding=None):
         StreamLogger.__init__(self, bus, sys.stdout, level, format, encoding)
 
 
 class StderrLogger(StreamLogger):
 
-    # def __init__(self, bus, level=None, format=None, encoding=None):
-    def __init__(self, bus, level=None, format=None, encoding='utf-8'):
+    def __init__(self, bus, level=None, format=None, encoding=None):
         StreamLogger.__init__(self, bus, sys.stderr, level, format, encoding)
 
 
 class FileLogger(StreamLogger):
 
     def __init__(self, bus, filename=None, file=None,
-                 level=None, format=None, encoding='utf8'):
-                 # level=None, format=None, encoding='utf-8'):
+                 level=None, format=None, encoding='utf-8'):
         self.filename = filename
         if file is None:
             if filename is None: