Don't add more then one stderr handler

piker/log.py

@@ -72,10 +72,10 @@ def get_console_log(level: str = None, name: str = None) -> logging.Logger:
     if level:
         log.setLevel(level.upper() if not isinstance(level, int) else level)
 
-    if not any(
-        handler.stream == sys.stderr for handler in log.handlers
-        if getattr(handler, 'stream', None)
-    ):
+    for handler in log.handlers:
+        if getattr(handler, 'stream', None) and handler.stream == sys.stderr:
+            break
+    else:
         handler = logging.StreamHandler()
 
     formatter = colorlog.ColoredFormatter(