fix: update headers instead of replacing them

silentworks · silentworks · commit 9c85aca0e741 · 2025-05-12T11:49:10.000Z
diff --git a/postgrest/_async/client.py b/postgrest/_async/client.py
@@ -55,7 +55,7 @@ def create_session(
     ) -> AsyncClient:
         if http_client is not None:
             http_client.base_url = base_url
-            http_client.headers = headers
+            http_client.headers.update({**headers})
             return http_client
 
         return AsyncClient(
diff --git a/postgrest/_sync/client.py b/postgrest/_sync/client.py
@@ -55,7 +55,7 @@ def create_session(
     ) -> SyncClient:
         if http_client is not None:
             http_client.base_url = base_url
-            http_client.headers = headers
+            http_client.headers.update({**headers})
             return http_client
 
         return SyncClient(
