Add support for Upsert Block and bump version to 1.2.0

[mangalaman93]

This change is 

[martinmr]

Reviewed 8 of 8 files at r1.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @mangalaman93)

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pydgraph/proto/api_pb2_grpc.py, line 4 at r1 (raw file):

import grpc

from . import api_pb2 as api__pb2

I think you need to reverse this line manually or else there will be some issues. I don't remember the exact issue but it was complaining about the import path and this change is the fix for that.

[mangalaman93]

Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @martinmr)

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pydgraph/proto/api_pb2_grpc.py, line 4 at r1 (raw file):

Previously, martinmr (Martin Martinez Rivera) wrote…

I think you need to reverse this line manually or else there will be some issues. I don't remember the exact issue but it was complaining about the import path and this change is the fix for that.

Done.

[martinmr]

Reviewed 1 of 1 files at r2.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @gitlw and @manishrjain)