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4 changes: 2 additions & 2 deletions bigquery/google/cloud/bigquery/schema.py
Original file line numberDiff line numberDiff line change
Expand Up@@ -14,7 +14,7 @@

"""Schemas for BigQuery tables / queries."""

import collections
from six.moves import collections_abc

from google.cloud.bigquery_v2 import types

Expand DownExpand Up@@ -281,7 +281,7 @@ def _to_schema_fields(schema):
instance or a compatible mapping representation of the field.
"""
for field in schema:
if not isinstance(field, (SchemaField, collections.Mapping)):
if not isinstance(field, (SchemaField, collections_abc.Mapping)):
raise ValueError(
"Schema items must either be fields or compatible "
"mapping representations."
Expand Down