AttributeError: Type instance has no attribute 'fetch'

#1

I can see this type exists but cannot fetch data in DS server.

 PumpIntakeDepthNormalized = c3.grid(c3.PumpIntakeDepthNormalized.fetch(limit=999999))

AttributeErrorTraceback (most recent call last)
 <ipython-input-38-7582fd174405> in <module>()
----> 1 PumpIntakeDepthNormalized = c3.grid(c3.PumpIntakeDepthNormalized.fetch(limit=999999))

 AttributeError: Type instance has no attribute 'fetch'