diff --git a/README.md b/README.md
index cee9c34..885c834 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Py-TXI (previously Py-TGI)
+# Py-TXI
 
 [![PyPI version](https://badge.fury.io/py/py-txi.svg)](https://badge.fury.io/py/py-txi)
 [![PyPI - Python Version](https://img.shields.io/pypi/pyversions/py-txi)](https://pypi.org/project/py-txi/)
diff --git a/py_txi/inference_server.py b/py_txi/inference_server.py
index 0b3ab4a..c954654 100644
--- a/py_txi/inference_server.py
+++ b/py_txi/inference_server.py
@@ -12,6 +12,7 @@
 import docker.errors
 import docker.types
 from huggingface_hub import AsyncInferenceClient
+from huggingface_hub.constants import HUGGINGFACE_HUB_CACHE
 
 from .utils import get_free_port, styled_logs
 
@@ -23,7 +24,7 @@
 @dataclass
 class InferenceServerConfig:
     # Common options
-    model_id: str
+    model_id: Optional[str] = None
     revision: Optional[str] = "main"
     # Image to use for the container
     image: Optional[str] = None
@@ -39,7 +40,7 @@ class InferenceServerConfig:
         metadata={"help": "Dictionary of ports to expose from the container."},
     )
     volumes: Dict[str, Any] = field(
-        default_factory=lambda: {os.path.expanduser("~/.cache/huggingface/hub"): {"bind": "/data", "mode": "rw"}},
+        default_factory=lambda: {HUGGINGFACE_HUB_CACHE: {"bind": "/data", "mode": "rw"}},
         metadata={"help": "Dictionary of volumes to mount inside the container."},
     )
     environment: List[str] = field(
@@ -94,8 +95,10 @@ def __init__(self, config: InferenceServerConfig) -> None:
             self.device_requests = None
 
         LOGGER.info(f"\t+ Building {self.NAME} command")
-        self.command = ["--model-id", self.config.model_id]
+        self.command = []
 
+        if self.config.model_id is not None:
+            self.command = ["--model-id", self.config.model_id]
         if self.config.revision is not None:
             self.command.extend(["--revision", self.config.revision])
 
@@ -103,7 +106,7 @@ def __init__(self, config: InferenceServerConfig) -> None:
             if k in InferenceServerConfig.__annotations__:
                 continue
             elif v is not None:
-                if isinstance(v, bool):
+                if isinstance(v, bool) and not k == "sharded":
                     self.command.append(f"--{k.replace('_', '-')}")
                 else:
                     self.command.append(f"--{k.replace('_', '-')}={str(v).lower()}")
@@ -179,16 +182,19 @@ async def batch_client_call(self, *args, **kwargs) -> Any:
     def close(self) -> None:
         if hasattr(self, "container"):
             LOGGER.info("\t+ Stoping Docker container")
-            self.container.stop()
-            self.container.wait()
+            if self.container.status == "running":
+                self.container.stop()
+                self.container.wait()
             LOGGER.info("\t+ Docker container stopped")
             del self.container
 
         if hasattr(self, "semaphore"):
-            self.semaphore
+            if self.semaphore.locked():
+                self.semaphore.release()
             del self.semaphore
 
         if hasattr(self, "client"):
+            self.client
             del self.client
 
     def __del__(self) -> None:
diff --git a/py_txi/text_generation_inference.py b/py_txi/text_generation_inference.py
index 498e0e2..c05da6a 100644
--- a/py_txi/text_generation_inference.py
+++ b/py_txi/text_generation_inference.py
@@ -38,10 +38,8 @@ def __post_init__(self) -> None:
                 LOGGER.info("\t+ Using the latest ROCm AMD GPU image for Text-Generation-Inference")
                 self.image = "ghcr.io/huggingface/text-generation-inference:latest-rocm"
             else:
-                raise ValueError(
-                    "Unsupported system. Please either provide the image to use explicitly "
-                    "or use a supported system (NVIDIA/ROCm) while specifying gpus/devices."
-                )
+                LOGGER.info("\t+ Using the version 1.4 since it's the last image supporting CPU")
+                self.image = "ghcr.io/huggingface/text-generation-inference:1.4"
 
         if is_rocm_system() and "rocm" not in self.image:
             LOGGER.warning("\t+ You are running on a ROCm AMD GPU system but using a non-ROCM image.")
diff --git a/py_txi/utils.py b/py_txi/utils.py
index 96f2f18..0dcbaeb 100644
--- a/py_txi/utils.py
+++ b/py_txi/utils.py
@@ -44,7 +44,10 @@ def color_text(text: str, color: str) -> str:
 
 
 def styled_logs(log: str) -> str:
-    dict_log = loads(log)
+    try:
+        dict_log = loads(log)
+    except Exception:
+        return log
 
     fields = dict_log.get("fields", {})
     level = dict_log.get("level", "could not parse level")
diff --git a/tests/test_txi.py b/tests/test_txi.py
index a7ebba6..b94ef48 100644
--- a/tests/test_txi.py
+++ b/tests/test_txi.py
@@ -12,9 +12,8 @@ def test_cpu_tei():
     embed.close()
 
 
-# tested locally with gpu
-def test_gpu_tgi():
-    llm = TGI(config=TGIConfig(model_id="bigscience/bloom-560m", gpus="0"))
+def test_cpu_tgi():
+    llm = TGI(config=TGIConfig(model_id="bigscience/bloom-560m"))
     output = llm.generate("Hi, I'm a sanity test")
     assert isinstance(output, str)
     output = llm.generate(["Hi, I'm a sanity test", "I'm a second sentence"])