Issue in found on Python 2.7
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davidfungf commented
When I run the sdk on Python 2.7, I have to put the followings in observer.py. Otherwise, error is found.
import sys
import abc
if sys.version_info >= (3, 4):
ABC = abc.ABC
else:
ABC = abc.ABCMeta('ABC', (), {})
class Observer(ABC):
"""
An updating interface for objects, to whom metrics should be published.
The published metrics can be accessed in a named tuple at publisher.data in the notify function.
"""
@abc.abstractmethod
def notify(self, publisher):
pass