diff --git a/__init__.py b/__init__.py
index f4efa8a..67c8106 100644
--- a/__init__.py
+++ b/__init__.py
@@ -545,7 +545,7 @@ def fermstepname(fermid):
 
 
 def is_fermenter_step_running():
-    for key, value2 in cbpi.cache["fermenter_task"].items():
+    for key, value2 in list(cbpi.cache["fermenter_task"].items()):
         if value2.state == "A":
             return "active"
         else:
diff --git a/read.py b/read.py
index 1fdfbef..49dd180 100644
--- a/read.py
+++ b/read.py
@@ -19,4 +19,4 @@
 
 while 1:
    x=ser.readline()
-   print x
+   print(x)