[SEBA-450] (part 2)

Add tox testing support on additional XOS library modules:

- xos-api
- xos-kafka (has no tests)
- xos-migrate (has no tests)
- xos-synchronizer

Change-Id: I98195bc9747971d3515882d517affe058dd86ac5
diff --git a/lib/xos-api/xosapi/chameleon_client/protos/annotations_pb2.py b/lib/xos-api/xosapi/chameleon_client/protos/annotations_pb2.py
index 5abc663..aa451e5 100644
--- a/lib/xos-api/xosapi/chameleon_client/protos/annotations_pb2.py
+++ b/lib/xos-api/xosapi/chameleon_client/protos/annotations_pb2.py
@@ -18,6 +18,7 @@
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
 # source: annotations.proto
 
+from __future__ import absolute_import
 import sys
 _b=sys.version_info[0]<3 and (lambda x:x) or (lambda x:x.encode('latin1'))
 from google.protobuf import descriptor as _descriptor
@@ -30,7 +31,7 @@
 _sym_db = _symbol_database.Default()
 
 
-import http_pb2 as http__pb2
+from . import http_pb2 as http__pb2
 from google.protobuf import descriptor_pb2 as google_dot_protobuf_dot_descriptor__pb2
 
 
diff --git a/lib/xos-api/xosapi/chameleon_client/protos/annotations_pb2_grpc.py b/lib/xos-api/xosapi/chameleon_client/protos/annotations_pb2_grpc.py
index 972edf5..1ec9f40 100644
--- a/lib/xos-api/xosapi/chameleon_client/protos/annotations_pb2_grpc.py
+++ b/lib/xos-api/xosapi/chameleon_client/protos/annotations_pb2_grpc.py
@@ -16,4 +16,5 @@
 #
 
 # Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!
+from __future__ import absolute_import
 import grpc
diff --git a/lib/xos-api/xosapi/chameleon_client/protos/http_pb2.py b/lib/xos-api/xosapi/chameleon_client/protos/http_pb2.py
index f420e61..8e359f5 100644
--- a/lib/xos-api/xosapi/chameleon_client/protos/http_pb2.py
+++ b/lib/xos-api/xosapi/chameleon_client/protos/http_pb2.py
@@ -18,6 +18,7 @@
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
 # source: http.proto
 
+from __future__ import absolute_import
 import sys
 _b=sys.version_info[0]<3 and (lambda x:x) or (lambda x:x.encode('latin1'))
 from google.protobuf import descriptor as _descriptor
diff --git a/lib/xos-api/xosapi/chameleon_client/protos/http_pb2_grpc.py b/lib/xos-api/xosapi/chameleon_client/protos/http_pb2_grpc.py
index 972edf5..1ec9f40 100644
--- a/lib/xos-api/xosapi/chameleon_client/protos/http_pb2_grpc.py
+++ b/lib/xos-api/xosapi/chameleon_client/protos/http_pb2_grpc.py
@@ -16,4 +16,5 @@
 #
 
 # Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!
+from __future__ import absolute_import
 import grpc
diff --git a/lib/xos-api/xosapi/chameleon_client/protos/schema_pb2.py b/lib/xos-api/xosapi/chameleon_client/protos/schema_pb2.py
index 06909b4..0e0159a 100644
--- a/lib/xos-api/xosapi/chameleon_client/protos/schema_pb2.py
+++ b/lib/xos-api/xosapi/chameleon_client/protos/schema_pb2.py
@@ -18,6 +18,7 @@
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
 # source: schema.proto
 
+from __future__ import absolute_import
 import sys
 _b=sys.version_info[0]<3 and (lambda x:x) or (lambda x:x.encode('latin1'))
 from google.protobuf import descriptor as _descriptor
diff --git a/lib/xos-api/xosapi/chameleon_client/protos/schema_pb2_grpc.py b/lib/xos-api/xosapi/chameleon_client/protos/schema_pb2_grpc.py
index 65c9afa..06c1456 100644
--- a/lib/xos-api/xosapi/chameleon_client/protos/schema_pb2_grpc.py
+++ b/lib/xos-api/xosapi/chameleon_client/protos/schema_pb2_grpc.py
@@ -16,10 +16,11 @@
 #
 
 # Generated by the gRPC Python protocol compiler plugin. DO NOT EDIT!
+from __future__ import absolute_import
 import grpc
 
 from google.protobuf import empty_pb2 as google_dot_protobuf_dot_empty__pb2
-import schema_pb2 as schema__pb2
+from . import schema_pb2 as schema__pb2
 
 
 class SchemaServiceStub(object):