diff --git a/rest_framework/tests/authentication.py b/rest_framework/tests/test_authentication.py
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diff --git a/rest_framework/tests/breadcrumbs.py b/rest_framework/tests/test_breadcrumbs.py
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diff --git a/rest_framework/tests/description.py b/rest_framework/tests/test_description.py
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diff --git a/rest_framework/tests/fields.py b/rest_framework/tests/test_fields.py
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diff --git a/rest_framework/tests/files.py b/rest_framework/tests/test_files.py
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diff --git a/rest_framework/tests/genericrelations.py b/rest_framework/tests/test_genericrelations.py
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diff --git a/rest_framework/tests/htmlrenderer.py b/rest_framework/tests/test_htmlrenderer.py
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diff --git a/rest_framework/tests/hyperlinkedserializers.py b/rest_framework/tests/test_hyperlinkedserializers.py
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diff --git a/rest_framework/tests/negotiation.py b/rest_framework/tests/test_negotiation.py
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diff --git a/rest_framework/tests/pagination.py b/rest_framework/tests/test_pagination.py
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diff --git a/rest_framework/tests/parsers.py b/rest_framework/tests/test_parsers.py
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diff --git a/rest_framework/tests/permissions.py b/rest_framework/tests/test_permissions.py
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diff --git a/rest_framework/tests/relations.py b/rest_framework/tests/test_relations.py
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diff --git a/rest_framework/tests/relations_nested.py b/rest_framework/tests/test_relations_nested.py
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diff --git a/rest_framework/tests/relations_slug.py b/rest_framework/tests/test_relations_slug.py
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diff --git a/rest_framework/tests/renderers.py b/rest_framework/tests/test_renderers.py
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diff --git a/rest_framework/tests/request.py b/rest_framework/tests/test_request.py
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diff --git a/rest_framework/tests/reverse.py b/rest_framework/tests/test_reverse.py
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diff --git a/rest_framework/tests/routers.py b/rest_framework/tests/test_routers.py
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diff --git a/rest_framework/tests/serializer.py b/rest_framework/tests/test_serializer.py
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diff --git a/rest_framework/tests/settings.py b/rest_framework/tests/test_settings.py
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diff --git a/rest_framework/tests/testcases.py b/rest_framework/tests/test_testcases.py
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diff --git a/rest_framework/tests/throttling.py b/rest_framework/tests/test_throttling.py
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diff --git a/rest_framework/tests/urlpatterns.py b/rest_framework/tests/test_urlpatterns.py
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