Fix (flash) Gemma prefix and enable tests

integration-tests/models/test_flash_gemma.py

@@ -3,7 +3,7 @@
 
 @pytest.fixture(scope="module")
 def flash_gemma_handle(launcher):
-    with launcher("gg-hf/gemma-2b", num_shard=1) as handle:
+    with launcher("google/gemma-2b", num_shard=1) as handle:
         yield handle
 
 
@@ -13,7 +13,6 @@ async def flash_gemma(flash_gemma_handle):
     return flash_gemma_handle.client
 
 
-@pytest.mark.skip
 @pytest.mark.asyncio
 @pytest.mark.private
 async def test_flash_gemma(flash_gemma, response_snapshot):
@@ -25,7 +24,6 @@ async def test_flash_gemma(flash_gemma, response_snapshot):
     assert response == response_snapshot
 
 
-@pytest.mark.skip
 @pytest.mark.asyncio
 @pytest.mark.private
 async def test_flash_gemma_all_params(flash_gemma, response_snapshot):
@@ -49,7 +47,6 @@ async def test_flash_gemma_all_params(flash_gemma, response_snapshot):
     assert response == response_snapshot
 
 
-@pytest.mark.skip
 @pytest.mark.asyncio
 @pytest.mark.private
 async def test_flash_gemma_load(flash_gemma, generate_load, response_snapshot):

server/text_generation_server/models/custom_modeling/flash_gemma_modeling.py

@@ -423,7 +423,7 @@ def __init__(self, prefix, config, weights, causal: bool):
         super().__init__()
 
         embed_norm = config.hidden_size**0.5
-        if prefix is None:
+        if not prefix:
             prefix = "model"
         else:
             prefix = f"{prefix}.model"

server/text_generation_server/models/flash_gemma.py

@@ -57,7 +57,7 @@ def __init__(
             weights._set_gptq_params(model_id, revision)
 
         # TODO hardcoded
-        prefix = "language_model"
+        prefix = ""
         model = FlashGemmaForCausalLM(prefix, config, weights, causal=True)
 
         torch.distributed.barrier(group=self.process_group)