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

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

import collections
from collections import abc
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from google.cloud.bigquery_v2 import types

Expand Down Expand 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, abc.Mapping)):
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raise ValueError(
"Schema items must either be fields or compatible "
"mapping representations."
Expand Down