Re-factor ABC meta

spotify · Dec 14, 2018 · a14df58 · a14df58
1 parent a7df8f0
commit a14df58
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/luigi/metrics.py b/luigi/metrics.py
@@ -1,6 +1,7 @@
 import abc
 
 from enum import Enum
+from luigi import six
 
 
 class MetricsCollectors(Enum):
@@ -19,7 +20,8 @@ def get(cls, which):
             raise ValueError("MetricsCollectors value ' {0} ' isn't supported", which)
 
 
-class MetricsCollector(abc.ABCMeta):
+@six.add_metaclass(abc.ABCMeta)
+class MetricsCollector(object):
     """Dummy MetricsCollecter base class that can be replace by tool specific
     implementation.
     """