@@ -817,9 +817,9 @@ def read_rows(
817817 )
818818
819819 if header_params :
820- metadata = tuple (metadata )
821- if all ( m [ 0 ] != gapic_v1 . routing_header . ROUTING_METADATA_KEY for m in metadata ):
822- metadata += ( gapic_v1 . routing_header . to_grpc_metadata ( header_params ), )
820+ metadata = tuple (metadata ) + (
821+ gapic_v1 . routing_header . to_grpc_metadata ( header_params ),
822+ )
823823
824824 # Validate the universe domain.
825825 self ._validate_universe_domain ()
@@ -933,9 +933,9 @@ def sample_row_keys(
933933 )
934934
935935 if header_params :
936- metadata = tuple (metadata )
937- if all ( m [ 0 ] != gapic_v1 . routing_header . ROUTING_METADATA_KEY for m in metadata ):
938- metadata += ( gapic_v1 . routing_header . to_grpc_metadata ( header_params ), )
936+ metadata = tuple (metadata ) + (
937+ gapic_v1 . routing_header . to_grpc_metadata ( header_params ),
938+ )
939939
940940 # Validate the universe domain.
941941 self ._validate_universe_domain ()
@@ -1070,9 +1070,9 @@ def mutate_row(
10701070 )
10711071
10721072 if header_params :
1073- metadata = tuple (metadata )
1074- if all ( m [ 0 ] != gapic_v1 . routing_header . ROUTING_METADATA_KEY for m in metadata ):
1075- metadata += ( gapic_v1 . routing_header . to_grpc_metadata ( header_params ), )
1073+ metadata = tuple (metadata ) + (
1074+ gapic_v1 . routing_header . to_grpc_metadata ( header_params ),
1075+ )
10761076
10771077 # Validate the universe domain.
10781078 self ._validate_universe_domain ()
@@ -1201,9 +1201,9 @@ def mutate_rows(
12011201 )
12021202
12031203 if header_params :
1204- metadata = tuple (metadata )
1205- if all ( m [ 0 ] != gapic_v1 . routing_header . ROUTING_METADATA_KEY for m in metadata ):
1206- metadata += ( gapic_v1 . routing_header . to_grpc_metadata ( header_params ), )
1204+ metadata = tuple (metadata ) + (
1205+ gapic_v1 . routing_header . to_grpc_metadata ( header_params ),
1206+ )
12071207
12081208 # Validate the universe domain.
12091209 self ._validate_universe_domain ()
@@ -1375,9 +1375,9 @@ def check_and_mutate_row(
13751375 )
13761376
13771377 if header_params :
1378- metadata = tuple (metadata )
1379- if all ( m [ 0 ] != gapic_v1 . routing_header . ROUTING_METADATA_KEY for m in metadata ):
1380- metadata += ( gapic_v1 . routing_header . to_grpc_metadata ( header_params ), )
1378+ metadata = tuple (metadata ) + (
1379+ gapic_v1 . routing_header . to_grpc_metadata ( header_params ),
1380+ )
13811381
13821382 # Validate the universe domain.
13831383 self ._validate_universe_domain ()
@@ -1477,9 +1477,9 @@ def ping_and_warm(
14771477 header_params ["app_profile_id" ] = request .app_profile_id
14781478
14791479 if header_params :
1480- metadata = tuple (metadata )
1481- if all ( m [ 0 ] != gapic_v1 . routing_header . ROUTING_METADATA_KEY for m in metadata ):
1482- metadata += ( gapic_v1 . routing_header . to_grpc_metadata ( header_params ), )
1480+ metadata = tuple (metadata ) + (
1481+ gapic_v1 . routing_header . to_grpc_metadata ( header_params ),
1482+ )
14831483
14841484 # Validate the universe domain.
14851485 self ._validate_universe_domain ()
@@ -1620,9 +1620,9 @@ def read_modify_write_row(
16201620 )
16211621
16221622 if header_params :
1623- metadata = tuple (metadata )
1624- if all ( m [ 0 ] != gapic_v1 . routing_header . ROUTING_METADATA_KEY for m in metadata ):
1625- metadata += ( gapic_v1 . routing_header . to_grpc_metadata ( header_params ), )
1623+ metadata = tuple (metadata ) + (
1624+ gapic_v1 . routing_header . to_grpc_metadata ( header_params ),
1625+ )
16261626
16271627 # Validate the universe domain.
16281628 self ._validate_universe_domain ()
@@ -1725,13 +1725,11 @@ def generate_initial_change_stream_partitions(
17251725
17261726 # Certain fields should be provided within the metadata header;
17271727 # add these here.
1728- metadata = tuple (metadata )
1729- if all (m [0 ] != gapic_v1 .routing_header .ROUTING_METADATA_KEY for m in metadata ):
1730- metadata += (
1731- gapic_v1 .routing_header .to_grpc_metadata (
1732- (("table_name" , request .table_name ),)
1733- ),
1734- )
1728+ metadata = tuple (metadata ) + (
1729+ gapic_v1 .routing_header .to_grpc_metadata (
1730+ (("table_name" , request .table_name ),)
1731+ ),
1732+ )
17351733
17361734 # Validate the universe domain.
17371735 self ._validate_universe_domain ()
@@ -1826,13 +1824,11 @@ def read_change_stream(
18261824
18271825 # Certain fields should be provided within the metadata header;
18281826 # add these here.
1829- metadata = tuple (metadata )
1830- if all (m [0 ] != gapic_v1 .routing_header .ROUTING_METADATA_KEY for m in metadata ):
1831- metadata += (
1832- gapic_v1 .routing_header .to_grpc_metadata (
1833- (("table_name" , request .table_name ),)
1834- ),
1835- )
1827+ metadata = tuple (metadata ) + (
1828+ gapic_v1 .routing_header .to_grpc_metadata (
1829+ (("table_name" , request .table_name ),)
1830+ ),
1831+ )
18361832
18371833 # Validate the universe domain.
18381834 self ._validate_universe_domain ()
@@ -1937,9 +1933,9 @@ def execute_query(
19371933 header_params ["app_profile_id" ] = request .app_profile_id
19381934
19391935 if header_params :
1940- metadata = tuple (metadata )
1941- if all ( m [ 0 ] != gapic_v1 . routing_header . ROUTING_METADATA_KEY for m in metadata ):
1942- metadata += ( gapic_v1 . routing_header . to_grpc_metadata ( header_params ), )
1936+ metadata = tuple (metadata ) + (
1937+ gapic_v1 . routing_header . to_grpc_metadata ( header_params ),
1938+ )
19431939
19441940 # Validate the universe domain.
19451941 self ._validate_universe_domain ()
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